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2452145020 = 2251359159853
BaseRepresentation
bin1001001000101000…
…1100001101111100
320022220010212120221
42102022030031330
520010222120040
61043153551124
7114523613563
oct22212141574
96286125527
102452145020
111049198936
125852754a4
133010454b0
14193954bda
15e542674a
hex9228c37c

2452145020 has 48 divisors (see below), whose sum is σ = 5639649120. Its totient is φ = 890055936.

The previous prime is 2452144979. The next prime is 2452145029. The reversal of 2452145020 is 205412542.

It is a super-2 number, since 2×24521450202 = 12026030398221600800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452145029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64587 + ... + 95266.

It is an arithmetic number, because the mean of its divisors is an integer number (117492690).

Almost surely, 22452145020 is an apocalyptic number.

2452145020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2452145020 is an abundant number, since it is smaller than the sum of its proper divisors (3187504100).

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

2452145020 is a wasteful number, since it uses less digits than its factorization.

2452145020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159934 (or 159932 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2452145020 is about 49519.1379165672. The cubic root of 2452145020 is about 1348.4930638231.

Adding to 2452145020 its reverse (205412542), we get a palindrome (2657557562).

The spelling of 2452145020 in words is "two billion, four hundred fifty-two million, one hundred forty-five thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 59 65 118 130 236 260 295 590 767 1180 1534 3068 3835 7670 15340 159853 319706 639412 799265 1598530 2078089 3197060 4156178 8312356 9431327 10390445 18862654 20780890 37725308 41561780 47156635 94313270 122607251 188626540 245214502 490429004 613036255 1226072510 2452145020