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86040885 = 357819437
BaseRepresentation
bin1010010000011…
…10000100110101
312222220022220110
411020032010311
5134011302020
612312053233
72063223030
oct510160465
9188808813
1086040885
1144627877
1224994219
1314a96b88
14b5da017
1578488e0
hex520e135

86040885 has 16 divisors (see below), whose sum is σ = 157332096. Its totient is φ = 39332928.

The previous prime is 86040881. The next prime is 86040887. The reversal of 86040885 is 58804068.

It is not a de Polignac number, because 86040885 - 22 = 86040881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86040881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409614 + ... + 409823.

It is an arithmetic number, because the mean of its divisors is an integer number (9833256).

Almost surely, 286040885 is an apocalyptic number.

It is an amenable number.

86040885 is a deficient number, since it is larger than the sum of its proper divisors (71291211).

86040885 is a wasteful number, since it uses less digits than its factorization.

86040885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819452.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 86040885 is about 9275.8226050308. The cubic root of 86040885 is about 441.4704334543.

The spelling of 86040885 in words is "eighty-six million, forty thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 819437 2458311 4097185 5736059 12291555 17208177 28680295 86040885