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83436925 = 52111323339
BaseRepresentation
bin1001111100100…
…10010101111101
312211000000221111
410332102111331
5132324440200
612140202021
72032126225
oct476222575
9184000844
1083436925
1143109440
1223b39311
1314394880
14b11d085
1574d20ba
hex4f9257d

83436925 has 24 divisors (see below), whose sum is σ = 121554720. Its totient is φ = 56011200.

The previous prime is 83436907. The next prime is 83436931. The reversal of 83436925 is 52963438.

It is not a de Polignac number, because 83436925 - 29 = 83436413 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8095 + ... + 15244.

It is an arithmetic number, because the mean of its divisors is an integer number (5064780).

Almost surely, 283436925 is an apocalyptic number.

It is an amenable number.

83436925 is a deficient number, since it is larger than the sum of its proper divisors (38117795).

83436925 is a wasteful number, since it uses less digits than its factorization.

83436925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23373 (or 23368 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 83436925 is about 9134.3814787866. The cubic root of 83436925 is about 436.9711487358.

The spelling of 83436925 in words is "eighty-three million, four hundred thirty-six thousand, nine hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 3575 23339 116695 256729 303407 583475 1283645 1517035 3337477 6418225 7585175 16687385 83436925