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450242760 = 2335113111003
BaseRepresentation
bin11010110101100…
…010100011001000
31011101012200221210
4122311202203020
51410230232020
6112402133120
714105000052
oct3265424310
91141180853
10450242760
11211172060
121069511a0
1372383346
1443b228d2
15297da3e0
hex1ad628c8

450242760 has 128 divisors (see below), whose sum is σ = 1521192960. Its totient is φ = 105619200.

The previous prime is 450242743. The next prime is 450242761. The reversal of 450242760 is 67242054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (450242761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35419 + ... + 46421.

It is an arithmetic number, because the mean of its divisors is an integer number (11884320).

Almost surely, 2450242760 is an apocalyptic number.

450242760 is a gapful number since it is divisible by the number (40) 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 450242760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760596480).

450242760 is an abundant number, since it is smaller than the sum of its proper divisors (1070950200).

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

450242760 is a wasteful number, since it uses less digits than its factorization.

450242760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059 (or 11055 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 450242760 is about 21218.9245721832. The cubic root of 450242760 is about 766.4472070866.

The spelling of 450242760 in words is "four hundred fifty million, two hundred forty-two thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 31 33 40 44 55 60 62 66 88 93 110 120 124 132 155 165 186 220 248 264 310 330 341 372 440 465 620 660 682 744 930 1023 1240 1320 1364 1705 1860 2046 2728 3410 3720 4092 5115 6820 8184 10230 11003 13640 20460 22006 33009 40920 44012 55015 66018 88024 110030 121033 132036 165045 220060 242066 264072 330090 341093 363099 440120 484132 605165 660180 682186 726198 968264 1023279 1210330 1320360 1364372 1452396 1705465 1815495 2046558 2420660 2728744 2904792 3410930 3630990 3752023 4093116 4841320 5116395 6821860 7261980 7504046 8186232 10232790 11256069 13643720 14523960 15008092 18760115 20465580 22512138 30016184 37520230 40931160 45024276 56280345 75040460 90048552 112560690 150080920 225121380 450242760