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87601252 = 2221900313
BaseRepresentation
bin1010011100010…
…11000001100100
320002211121022211
411032023001210
5134411220002
612405333204
72112412144
oct516130144
9202747284
1087601252
11454a3132
1225407204
13151c217b
14b8c4924
157a55dd7
hex538b064

87601252 has 6 divisors (see below), whose sum is σ = 153302198. Its totient is φ = 43800624.

The previous prime is 87601249. The next prime is 87601301. The reversal of 87601252 is 25210678.

It can be written as a sum of positive squares in only one way, i.e., 85821696 + 1779556 = 9264^2 + 1334^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10950153 + ... + 10950160.

Almost surely, 287601252 is an apocalyptic number.

It is an amenable number.

87601252 is a deficient number, since it is larger than the sum of its proper divisors (65700946).

87601252 is a wasteful number, since it uses less digits than its factorization.

87601252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21900317 (or 21900315 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 87601252 is about 9359.5540492055. The cubic root of 87601252 is about 444.1231768733.

The spelling of 87601252 in words is "eighty-seven million, six hundred one thousand, two hundred fifty-two".

Divisors: 1 2 4 21900313 43800626 87601252