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86975541 = 3243224743
BaseRepresentation
bin1010010111100…
…10010000110101
320001122211000100
411023302100311
5134231204131
612344104313
72104165002
oct513622065
9201584010
1086975541
1145106014
1225165099
1315033423
14b7a08a9
1579807e6
hex52f2435

86975541 has 12 divisors (see below), whose sum is σ = 128553568. Its totient is φ = 56634984.

The previous prime is 86975533. The next prime is 86975579. The reversal of 86975541 is 14557968.

86975541 is a `hidden beast` number, since 8 + 6 + 97 + 554 + 1 = 666.

It is not a de Polignac number, because 86975541 - 23 = 86975533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86975531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111985 + ... + 112758.

Almost surely, 286975541 is an apocalyptic number.

It is an amenable number.

86975541 is a deficient number, since it is larger than the sum of its proper divisors (41578027).

86975541 is a wasteful number, since it uses less digits than its factorization.

86975541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224792 (or 224789 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 86975541 is about 9326.0678208986. The cubic root of 86975541 is about 443.0632337587.

The spelling of 86975541 in words is "eighty-six million, nine hundred seventy-five thousand, five hundred forty-one".

Divisors: 1 3 9 43 129 387 224743 674229 2022687 9663949 28991847 86975541