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87695036 = 221113153313
BaseRepresentation
bin1010011101000…
…01111010111100
320010000100222022
411032201322330
5134422220121
612411335312
72113252442
oct516417274
9203010868
1087695036
1145557640
1225451538
1315225a70
14b90ab92
157a73aab
hex53a1ebc

87695036 has 24 divisors (see below), whose sum is σ = 180297264. Its totient is φ = 36794880.

The previous prime is 87695033. The next prime is 87695039. The reversal of 87695036 is 63059678.

It is an interprime number because it is at equal distance from previous prime (87695033) and next prime (87695039).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87695033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76085 + ... + 77228.

It is an arithmetic number, because the mean of its divisors is an integer number (7512386).

Almost surely, 287695036 is an apocalyptic number.

It is an amenable number.

87695036 is an abundant number, since it is smaller than the sum of its proper divisors (92602228).

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

87695036 is a wasteful number, since it uses less digits than its factorization.

87695036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153341 (or 153339 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 87695036 is about 9364.5627767665. The cubic root of 87695036 is about 444.2816098946.

The spelling of 87695036 in words is "eighty-seven million, six hundred ninety-five thousand, thirty-six".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 153313 306626 613252 1686443 1993069 3372886 3986138 6745772 7972276 21923759 43847518 87695036