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85623102 = 23310211553
BaseRepresentation
bin1010001101010…
…00000100111110
312222010002211000
411012220010332
5133404414402
612255111130
72056533015
oct506500476
9188102730
1085623102
11443719a4
12248124a6
131497b976
14b52ba7c
1577b4c1c
hex51a813e

85623102 has 32 divisors (see below), whose sum is σ = 190582560. Its totient is φ = 28494720.

The previous prime is 85623091. The next prime is 85623107. The reversal of 85623102 is 20132658.

It is a super-2 number, since 2×856231022 = 14662631192204808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85623107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54358 + ... + 55910.

It is an arithmetic number, because the mean of its divisors is an integer number (5955705).

Almost surely, 285623102 is an apocalyptic number.

85623102 is an abundant number, since it is smaller than the sum of its proper divisors (104959458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85623102 is a wasteful number, since it uses less digits than its factorization.

85623102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2579 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 85623102 is about 9253.2752039481. The cubic root of 85623102 is about 440.7547342745.

It can be divided in two parts, 8562 and 3102, that added together give a square (11664 = 1082).

The spelling of 85623102 in words is "eighty-five million, six hundred twenty-three thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 1021 1553 2042 3063 3106 4659 6126 9189 9318 13977 18378 27567 27954 41931 55134 83862 1585613 3171226 4756839 9513678 14270517 28541034 42811551 85623102