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85106577 = 3259110949
BaseRepresentation
bin1010001001010…
…01111110010001
312221010212021110
411010221332101
5133241402302
612240043533
72052252063
oct504517621
9187125243
1085106577
1144049916
12246035a9
131482a82a
14b435733
157711b6c
hex5129f91

85106577 has 8 divisors (see below), whose sum is σ = 113529600. Its totient is φ = 56710640.

The previous prime is 85106557. The next prime is 85106579. The reversal of 85106577 is 77560158.

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 85106577 - 26 = 85106513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85106579) 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, 2299 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (14191200).

Almost surely, 285106577 is an apocalyptic number.

It is an amenable number.

85106577 is a deficient number, since it is larger than the sum of its proper divisors (28423023).

85106577 is a wasteful number, since it uses less digits than its factorization.

85106577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 85106577 is about 9225.3225959855. The cubic root of 85106577 is about 439.8666555299.

The spelling of 85106577 in words is "eighty-five million, one hundred six thousand, five hundred seventy-seven".

Divisors: 1 3 2591 7773 10949 32847 28368859 85106577