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87006051 = 32111723041
BaseRepresentation
bin1010010111110…
…01101101100011
320001201100212100
411023321231203
5134233143201
612344501443
72104352646
oct513715543
9201640770
1087006051
1145126a30
122517a883
1315044292
14b7aba5d
157989886
hex52f9b63

87006051 has 36 divisors (see below), whose sum is σ = 145687464. Its totient is φ = 49612800.

The previous prime is 87006047. The next prime is 87006067. The reversal of 87006051 is 15060078.

It is not a de Polignac number, because 87006051 - 22 = 87006047 is a prime.

It is a super-2 number, since 2×870060512 = 15140105821229202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87006001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27091 + ... + 30131.

It is an arithmetic number, because the mean of its divisors is an integer number (4046874).

Almost surely, 287006051 is an apocalyptic number.

87006051 is a deficient number, since it is larger than the sum of its proper divisors (58681413).

87006051 is a wasteful number, since it uses less digits than its factorization.

87006051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 87006051 is about 9327.7034150963. The cubic root of 87006051 is about 443.1150348313.

The spelling of 87006051 in words is "eighty-seven million, six thousand, fifty-one".

Divisors: 1 3 9 11 17 33 51 99 153 187 289 561 867 1683 2601 3041 3179 9123 9537 27369 28611 33451 51697 100353 155091 301059 465273 568667 878849 1706001 2636547 5118003 7909641 9667339 29002017 87006051