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86713851 = 3731133201
BaseRepresentation
bin1010010101100…
…10010111111011
320001011112001010
411022302113323
5134144320401
612334325003
72102025030
oct512622773
9201145033
1086713851
1144a47444
1225059763
1314c71293
14b733387
15792ced6
hex52b25fb

86713851 has 16 divisors (see below), whose sum is σ = 136398848. Its totient is φ = 47952000.

The previous prime is 86713817. The next prime is 86713867. The reversal of 86713851 is 15831768.

It is not a de Polignac number, because 86713851 - 223 = 78325243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86713801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65950 + ... + 67251.

It is an arithmetic number, because the mean of its divisors is an integer number (8524928).

Almost surely, 286713851 is an apocalyptic number.

86713851 is a deficient number, since it is larger than the sum of its proper divisors (49684997).

86713851 is a wasteful number, since it uses less digits than its factorization.

86713851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133242.

The product of its digits is 40320, while the sum is 39.

The square root of 86713851 is about 9312.0272228984. The cubic root of 86713851 is about 442.6184278761.

The spelling of 86713851 in words is "eighty-six million, seven hundred thirteen thousand, eight hundred fifty-one".

Divisors: 1 3 7 21 31 93 217 651 133201 399603 932407 2797221 4129231 12387693 28904617 86713851