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87301352 = 231933743
BaseRepresentation
bin1010011010000…
…01110011101000
320002021100221102
411031001303220
5134322120402
612355100532
72110022615
oct515016350
9202240842
1087301352
1145308886
12252a1748
1315118808
14b84750c
1579e7102
hex5341ce8

87301352 has 64 divisors (see below), whose sum is σ = 181579200. Its totient is φ = 39299904.

The previous prime is 87301271. The next prime is 87301367. The reversal of 87301352 is 25310378.

It is a super-2 number, since 2×873013522 = 15243052122055808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030243 + ... + 2030285.

It is an arithmetic number, because the mean of its divisors is an integer number (2837175).

Almost surely, 287301352 is an apocalyptic number.

It is an amenable number.

87301352 is an abundant number, since it is smaller than the sum of its proper divisors (94277848).

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

87301352 is a wasteful number, since it uses less digits than its factorization.

87301352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 87301352 is about 9343.5192513314. The cubic root of 87301352 is about 443.6157837297.

The spelling of 87301352 in words is "eighty-seven million, three hundred one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 19 37 38 43 74 76 86 148 152 172 296 344 361 703 722 817 1406 1444 1591 1634 2812 2888 3182 3268 5624 6364 6536 6859 12728 13357 13718 15523 26714 27436 30229 31046 53428 54872 60458 62092 106856 120916 124184 241832 253783 294937 507566 574351 589874 1015132 1148702 1179748 2030264 2297404 2359496 4594808 10912669 21825338 43650676 87301352