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85992151 = 712284593
BaseRepresentation
bin1010010000000…
…10001011010111
312222210212001111
411020002023113
5134003222101
612311035451
72062630660
oct510021327
9188725044
1085992151
11445a41a3
122496bb87
1314a7a93b
14b5c6367
157839251
hex52022d7

85992151 has 4 divisors (see below), whose sum is σ = 98276752. Its totient is φ = 73707552.

The previous prime is 85992143. The next prime is 85992167. The reversal of 85992151 is 15129958.

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

It is a cyclic number.

It is not a de Polignac number, because 85992151 - 23 = 85992143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85992121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6142290 + ... + 6142303.

It is an arithmetic number, because the mean of its divisors is an integer number (24569188).

Almost surely, 285992151 is an apocalyptic number.

85992151 is a deficient number, since it is larger than the sum of its proper divisors (12284601).

85992151 is a wasteful number, since it uses less digits than its factorization.

85992151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284600.

The product of its digits is 32400, while the sum is 40.

The square root of 85992151 is about 9273.1952961210. The cubic root of 85992151 is about 441.3870673376.

The spelling of 85992151 in words is "eighty-five million, nine hundred ninety-two thousand, one hundred fifty-one".

Divisors: 1 7 12284593 85992151