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86055331 = 461186671
BaseRepresentation
bin1010010000100…
…01100110100011
312222221001201111
411020101212203
5134012232311
612312244151
72063313115
oct510214643
9188831644
1086055331
114463770a
12249a0657
1314aa061b
14b6013b5
15784cd21
hex52119a3

86055331 has 4 divisors (see below), whose sum is σ = 86242464. Its totient is φ = 85868200.

The previous prime is 86055329. The next prime is 86055371. The reversal of 86055331 is 13355068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86055331 - 21 = 86055329 is a prime.

It is a super-2 number, since 2×860553312 = 14811039987039122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86055293 and 86055302.

It is not an unprimeable number, because it can be changed into a prime (86055301) 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 3 ways as a sum of consecutive naturals, for example, 92875 + ... + 93796.

It is an arithmetic number, because the mean of its divisors is an integer number (21560616).

Almost surely, 286055331 is an apocalyptic number.

86055331 is a deficient number, since it is larger than the sum of its proper divisors (187133).

86055331 is a wasteful number, since it uses less digits than its factorization.

86055331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187132.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 86055331 is about 9276.6012633938. The cubic root of 86055331 is about 441.4951392478.

The spelling of 86055331 in words is "eighty-six million, fifty-five thousand, three hundred thirty-one".

Divisors: 1 461 186671 86055331