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431052272 = 247173167109
BaseRepresentation
bin11001101100010…
…101010111110000
31010001002201112222
4121230111113300
51340322133042
6110434540212
713452612110
oct3154252760
91101081488
10431052272
11201354a52
12100437668
136b3c4521
1441369040
1527c992d2
hex19b155f0

431052272 has 160 divisors (see below), whose sum is σ = 1068503040. Its totient is φ = 164229120.

The previous prime is 431052263. The next prime is 431052277. The reversal of 431052272 is 272250134.

It is a super-2 number, since 2×4310522722 = 371612122392723968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431052277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3954554 + ... + 3954662.

It is an arithmetic number, because the mean of its divisors is an integer number (6678144).

Almost surely, 2431052272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431052272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534251520).

431052272 is an abundant number, since it is smaller than the sum of its proper divisors (637450768).

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

431052272 is a wasteful number, since it uses less digits than its factorization.

431052272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 431052272 is about 20761.7983806798. The cubic root of 431052272 is about 755.3994184987.

The spelling of 431052272 in words is "four hundred thirty-one million, fifty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 17 28 31 34 56 62 67 68 109 112 119 124 134 136 217 218 238 248 268 272 434 436 469 476 496 527 536 763 868 872 938 952 1054 1072 1139 1526 1736 1744 1853 1876 1904 2077 2108 2278 3052 3379 3472 3689 3706 3752 4154 4216 4556 6104 6758 7303 7378 7412 7504 7973 8308 8432 9112 12208 12971 13516 14539 14606 14756 14824 15946 16616 18224 23653 25942 27032 29078 29212 29512 29648 31892 33232 35309 47306 51121 51884 54064 57443 58156 58424 59024 63784 70618 94612 102242 103768 114886 116312 116848 124151 127568 141236 189224 204484 207536 226393 229772 232624 247163 248302 282472 378448 402101 408968 452786 459544 494326 496604 564944 804202 817936 869057 905572 919088 988652 993208 1584751 1608404 1738114 1811144 1977304 1986416 3169502 3216808 3476228 3622288 3848681 3954608 6339004 6433616 6952456 7697362 12678008 13904912 15394724 25356016 26940767 30789448 53881534 61578896 107763068 215526136 431052272