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86230874 = 2139313991
BaseRepresentation
bin1010010001111…
…00011101011010
320000020222112002
411020330131122
5134033341444
612320121002
72064643652
oct510743532
9200228462
1086230874
1144747594
1224a66162
1314b324b2
14b649362
157884d4e
hex523c75a

86230874 has 16 divisors (see below), whose sum is σ = 130824960. Its totient is φ = 42625440.

The previous prime is 86230861. The next prime is 86230877. The reversal of 86230874 is 47803268.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86230877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86519 + ... + 87509.

It is an arithmetic number, because the mean of its divisors is an integer number (8176560).

Almost surely, 286230874 is an apocalyptic number.

86230874 is a deficient number, since it is larger than the sum of its proper divisors (44594086).

86230874 is a wasteful number, since it uses less digits than its factorization.

86230874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 86230874 is about 9286.0580441865. The cubic root of 86230874 is about 441.7951351612.

The spelling of 86230874 in words is "eighty-six million, two hundred thirty thousand, eight hundred seventy-four".

Divisors: 1 2 139 278 313 626 991 1982 43507 87014 137749 275498 310183 620366 43115437 86230874