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87704696 = 2310963087
BaseRepresentation
bin1010011101001…
…00010001111000
320010000212020002
411032210101320
5134423022241
612411452132
72113322552
oct516442170
9203025202
1087704696
1145563922
1225457048
131522a291
14b9104d2
157a7689b
hex53a4478

87704696 has 8 divisors (see below), whose sum is σ = 164446320. Its totient is φ = 43852344.

The previous prime is 87704693. The next prime is 87704711. The reversal of 87704696 is 69640778.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×877046962 = 15384227400904832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87704696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87704693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5481536 + ... + 5481551.

It is an arithmetic number, because the mean of its divisors is an integer number (20555790).

Almost surely, 287704696 is an apocalyptic number.

It is an amenable number.

87704696 is a deficient number, since it is larger than the sum of its proper divisors (76741624).

87704696 is a wasteful number, since it uses less digits than its factorization.

87704696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963093 (or 10963089 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 87704696 is about 9365.0785367769. The cubic root of 87704696 is about 444.2979224971.

The spelling of 87704696 in words is "eighty-seven million, seven hundred four thousand, six hundred ninety-six".

Divisors: 1 2 4 8 10963087 21926174 43852348 87704696