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87502427 is a prime number
BaseRepresentation
bin1010011011100…
…10111001011011
320002122120202122
411031302321123
5134400034202
612403251455
72111521055
oct515627133
9202576678
1087502427
1145435961
1225379b8b
13151891ac
14b89a8d5
157a369a2
hex5372e5b

87502427 has 2 divisors, whose sum is σ = 87502428. Its totient is φ = 87502426.

The previous prime is 87502421. The next prime is 87502453. The reversal of 87502427 is 72420578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87502427 - 28 = 87502171 is a prime.

It is not a weakly prime, because it can be changed into another prime (87502421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43751213 + 43751214.

It is an arithmetic number, because the mean of its divisors is an integer number (43751214).

Almost surely, 287502427 is an apocalyptic number.

87502427 is a deficient number, since it is larger than the sum of its proper divisors (1).

87502427 is an equidigital number, since it uses as much as digits as its factorization.

87502427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 87502427 is about 9354.2731946421. The cubic root of 87502427 is about 443.9561054867.

The spelling of 87502427 in words is "eighty-seven million, five hundred two thousand, four hundred twenty-seven".