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85157967 = 3137207197
BaseRepresentation
bin1010001001101…
…10100001001111
312221020110202210
411010312201033
5133300023332
612241121503
72052554646
oct504664117
9187213683
1085157967
1144084494
1224629293
131484803b
14b44a35d
157721ecc
hex513684f

85157967 has 8 divisors (see below), whose sum is σ = 114373296. Its totient is φ = 56357312.

The previous prime is 85157953. The next prime is 85157977. The reversal of 85157967 is 76975158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85157967 - 24 = 85157951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85157977) 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 7 ways as a sum of consecutive naturals, for example, 103188 + ... + 104009.

It is an arithmetic number, because the mean of its divisors is an integer number (14296662).

Almost surely, 285157967 is an apocalyptic number.

85157967 is a deficient number, since it is larger than the sum of its proper divisors (29215329).

85157967 is a wasteful number, since it uses less digits than its factorization.

85157967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207337.

The product of its digits is 529200, while the sum is 48.

The square root of 85157967 is about 9228.1074441079. The cubic root of 85157967 is about 439.9551727748.

The spelling of 85157967 in words is "eighty-five million, one hundred fifty-seven thousand, nine hundred sixty-seven".

Divisors: 1 3 137 411 207197 621591 28385989 85157967