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86944955 = 517388991
BaseRepresentation
bin1010010111010…
…10110010111011
320001121021001112
411023222302323
5134224214310
612343310535
72104006556
oct513526273
9201537045
1086944955
1145095039
122514b44b
1315022526
14b79369d
157976705
hex52eacbb

86944955 has 4 divisors (see below), whose sum is σ = 104333952. Its totient is φ = 69555960.

The previous prime is 86944943. The next prime is 86944961. The reversal of 86944955 is 55944968.

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

It is not a de Polignac number, because 86944955 - 24 = 86944939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8694491 + ... + 8694500.

It is an arithmetic number, because the mean of its divisors is an integer number (26083488).

Almost surely, 286944955 is an apocalyptic number.

86944955 is a deficient number, since it is larger than the sum of its proper divisors (17388997).

86944955 is a wasteful number, since it uses less digits than its factorization.

86944955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388996.

The product of its digits is 1555200, while the sum is 50.

The square root of 86944955 is about 9324.4278644858. The cubic root of 86944955 is about 443.0112914895.

The spelling of 86944955 in words is "eighty-six million, nine hundred forty-four thousand, nine hundred fifty-five".

Divisors: 1 5 17388991 86944955