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2225136240 = 243254496883
BaseRepresentation
bin1000010010100000…
…1110001001110000
312202001222122002100
42010220032021300
514024113324430
61004444220400
7106066226445
oct20450161160
95661878070
102225136240
11a42038878
1252123a700
13295cc2882
141717419cc
15d0534960
hex84a0e270

2225136240 has 120 divisors (see below), whose sum is σ = 7490480400. Its totient is φ = 591962112.

The previous prime is 2225136233. The next prime is 2225136241. The reversal of 2225136240 is 426315222.

It is a happy number.

2225136240 is a `hidden beast` number, since 2 + 2 + 25 + 13 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×22251362402 = 9902462573122675200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225136241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319839 + ... + 326721.

It is an arithmetic number, because the mean of its divisors is an integer number (62420670).

Almost surely, 22225136240 is an apocalyptic number.

2225136240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225136240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3745240200).

2225136240 is an abundant number, since it is smaller than the sum of its proper divisors (5265344160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2225136240 is a wasteful number, since it uses less digits than its factorization.

2225136240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7342 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2225136240 is about 47171.3497792887. The cubic root of 2225136240 is about 1305.5260309431.

The spelling of 2225136240 in words is "two billion, two hundred twenty-five million, one hundred thirty-six thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 449 720 898 1347 1796 2245 2694 3592 4041 4490 5388 6735 6883 7184 8082 8980 10776 13470 13766 16164 17960 20205 20649 21552 26940 27532 32328 34415 35920 40410 41298 53880 55064 61947 64656 68830 80820 82596 103245 107760 110128 123894 137660 161640 165192 206490 247788 275320 309735 323280 330384 412980 495576 550640 619470 825960 991152 1238940 1651920 2477880 3090467 4955760 6180934 9271401 12361868 15452335 18542802 24723736 27814203 30904670 37085604 46357005 49447472 55628406 61809340 74171208 92714010 111256812 123618680 139071015 148342416 185428020 222513624 247237360 278142030 370856040 445027248 556284060 741712080 1112568120 2225136240