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86372961 = 328790987
BaseRepresentation
bin1010010010111…
…11001001100001
320000112012102120
411021133021201
5134102413321
612323134453
72066105133
oct511371141
9200465376
1086372961
1144834314
1224b14429
1314b8207c
14b685053
1578b1ec6
hex525f261

86372961 has 4 divisors (see below), whose sum is σ = 115163952. Its totient is φ = 57581972.

The previous prime is 86372953. The next prime is 86372969. The reversal of 86372961 is 16927368.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (86372953) and next prime (86372969).

It is a cyclic number.

It is not a de Polignac number, because 86372961 - 23 = 86372953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86372969) 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 3 ways as a sum of consecutive naturals, for example, 14395491 + ... + 14395496.

It is an arithmetic number, because the mean of its divisors is an integer number (28790988).

Almost surely, 286372961 is an apocalyptic number.

It is an amenable number.

86372961 is a deficient number, since it is larger than the sum of its proper divisors (28790991).

86372961 is a wasteful number, since it uses less digits than its factorization.

86372961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28790990.

The product of its digits is 108864, while the sum is 42.

The square root of 86372961 is about 9293.7054504648. The cubic root of 86372961 is about 442.0376581143.

The spelling of 86372961 in words is "eighty-six million, three hundred seventy-two thousand, nine hundred sixty-one".

Divisors: 1 3 28790987 86372961