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85461623 = 136573971
BaseRepresentation
bin1010001100000…
…00101001110111
312221210220022022
411012000221313
5133334232443
612251423355
72055261152
oct506005167
9187726268
1085461623
1144271645
1224754b5b
1314923310
14b4c8c99
157781e68
hex5180a77

85461623 has 4 divisors (see below), whose sum is σ = 92035608. Its totient is φ = 78887640.

The previous prime is 85461617. The next prime is 85461659. The reversal of 85461623 is 32616458.

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

It is not a de Polignac number, because 85461623 - 28 = 85461367 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 (85467623) 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, 3286973 + ... + 3286998.

It is an arithmetic number, because the mean of its divisors is an integer number (23008902).

Almost surely, 285461623 is an apocalyptic number.

85461623 is a deficient number, since it is larger than the sum of its proper divisors (6573985).

85461623 is a wasteful number, since it uses less digits than its factorization.

85461623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573984.

The product of its digits is 34560, while the sum is 35.

The square root of 85461623 is about 9244.5455810440. The cubic root of 85461623 is about 440.4774826872.

The spelling of 85461623 in words is "eighty-five million, four hundred sixty-one thousand, six hundred twenty-three".

Divisors: 1 13 6573971 85461623