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87627963 = 3139210139
BaseRepresentation
bin1010011100100…
…01100010111011
320002212221222010
411032101202323
5134413043323
612410101003
72112553053
oct516214273
9202787863
1087627963
1145511205
122541a763
1315201387
14b8d0563
157a5dc93
hex53918bb

87627963 has 8 divisors (see below), whose sum is σ = 117678400. Its totient is φ = 57998088.

The previous prime is 87627961. The next prime is 87627973. The reversal of 87627963 is 36972678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87627963 - 21 = 87627961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87627961) 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, 104653 + ... + 105486.

It is an arithmetic number, because the mean of its divisors is an integer number (14709800).

Almost surely, 287627963 is an apocalyptic number.

87627963 is a deficient number, since it is larger than the sum of its proper divisors (30050437).

87627963 is a wasteful number, since it uses less digits than its factorization.

87627963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210281.

The product of its digits is 762048, while the sum is 48.

The square root of 87627963 is about 9360.9808780918. The cubic root of 87627963 is about 444.1683123342.

The spelling of 87627963 in words is "eighty-seven million, six hundred twenty-seven thousand, nine hundred sixty-three".

Divisors: 1 3 139 417 210139 630417 29209321 87627963