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86023157 = 117820287
BaseRepresentation
bin1010010000010…
…01101111110101
312222212102120212
411020021233311
5134010220112
612311435205
72063120243
oct510115765
9188772525
1086023157
1144615520
1224985b05
1314a8ba9c
14b5d3793
157843522
hex5209bf5

86023157 has 4 divisors (see below), whose sum is σ = 93843456. Its totient is φ = 78202860.

The previous prime is 86023141. The next prime is 86023169. The reversal of 86023157 is 75132068.

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 a cyclic number.

It is not a de Polignac number, because 86023157 - 24 = 86023141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86023117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3910133 + ... + 3910154.

It is an arithmetic number, because the mean of its divisors is an integer number (23460864).

Almost surely, 286023157 is an apocalyptic number.

It is an amenable number.

86023157 is a deficient number, since it is larger than the sum of its proper divisors (7820299).

86023157 is a wasteful number, since it uses less digits than its factorization.

86023157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820298.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 86023157 is about 9274.8669532236. The cubic root of 86023157 is about 441.4401109496.

The spelling of 86023157 in words is "eighty-six million, twenty-three thousand, one hundred fifty-seven".

Divisors: 1 11 7820287 86023157