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85928451 = 374091831
BaseRepresentation
bin1010001111100…
…10101000000011
312222200121200020
411013302220003
5133444202301
612305424523
72062244160
oct507625003
9188617606
1085928451
1144560354
122493b143
1314a5794b
14b5ab067
157825436
hex51f2a03

85928451 has 8 divisors (see below), whose sum is σ = 130938624. Its totient is φ = 49101960.

The previous prime is 85928429. The next prime is 85928459. The reversal of 85928451 is 15482958.

It is a happy number.

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

It is not a de Polignac number, because 85928451 - 25 = 85928419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85928459) 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, 2045895 + ... + 2045936.

It is an arithmetic number, because the mean of its divisors is an integer number (16367328).

Almost surely, 285928451 is an apocalyptic number.

85928451 is a deficient number, since it is larger than the sum of its proper divisors (45010173).

85928451 is a wasteful number, since it uses less digits than its factorization.

85928451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091841.

The product of its digits is 115200, while the sum is 42.

The square root of 85928451 is about 9269.7600292564. The cubic root of 85928451 is about 441.2780523432.

The spelling of 85928451 in words is "eighty-five million, nine hundred twenty-eight thousand, four hundred fifty-one".

Divisors: 1 3 7 21 4091831 12275493 28642817 85928451