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87625339 = 162753857
BaseRepresentation
bin1010011100100…
…00111001111011
320002212211100221
411032100321323
5134413002324
612410040511
72112542314
oct516207173
9202784327
1087625339
114550a23a
1225419137
1315200119
14b8cd60b
157a5d0e4
hex5390e7b

87625339 has 4 divisors (see below), whose sum is σ = 87680824. Its totient is φ = 87569856.

The previous prime is 87625319. The next prime is 87625379. The reversal of 87625339 is 93352678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87625339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87625295 and 87625304.

It is not an unprimeable number, because it can be changed into a prime (87625309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25302 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (21920206).

Almost surely, 287625339 is an apocalyptic number.

87625339 is a deficient number, since it is larger than the sum of its proper divisors (55485).

87625339 is a wasteful number, since it uses less digits than its factorization.

87625339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55484.

The product of its digits is 272160, while the sum is 43.

The square root of 87625339 is about 9360.8407207900. The cubic root of 87625339 is about 444.1638787826.

The spelling of 87625339 in words is "eighty-seven million, six hundred twenty-five thousand, three hundred thirty-nine".

Divisors: 1 1627 53857 87625339