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87297036 = 22341177433
BaseRepresentation
bin1010011010000…
…00110000001100
320002021011000120
411031000300030
5134322001121
612355024540
72110004211
oct515006014
9202234016
1087297036
1145305612
122529b150
1315116868
14b845b08
1579e5bc6
hex5340c0c

87297036 has 24 divisors (see below), whose sum is σ = 208662384. Its totient is φ = 28389120.

The previous prime is 87297031. The next prime is 87297037. The reversal of 87297036 is 63079278.

It is not an unprimeable number, because it can be changed into a prime (87297031) 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, 88225 + ... + 89208.

It is an arithmetic number, because the mean of its divisors is an integer number (8694266).

Almost surely, 287297036 is an apocalyptic number.

It is an amenable number.

87297036 is an abundant number, since it is smaller than the sum of its proper divisors (121365348).

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

87297036 is a wasteful number, since it uses less digits than its factorization.

87297036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177481 (or 177479 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 87297036 is about 9343.2882862513. The cubic root of 87297036 is about 443.6084731241.

The spelling of 87297036 in words is "eighty-seven million, two hundred ninety-seven thousand, thirty-six".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 177433 354866 532299 709732 1064598 2129196 7274753 14549506 21824259 29099012 43648518 87297036