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83538912 = 253870197
BaseRepresentation
bin1001111101010…
…11001111100000
312211012012211210
410332223033200
5132341221122
612142310120
72033032452
oct476531740
9184165753
1083538912
1143179026
1223b88340
13143cc112
14b1482d2
15750240c
hex4fab3e0

83538912 has 24 divisors (see below), whose sum is σ = 219289896. Its totient is φ = 27846272.

The previous prime is 83538907. The next prime is 83538913. The reversal of 83538912 is 21983538.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83538913) 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, 435003 + ... + 435194.

It is an arithmetic number, because the mean of its divisors is an integer number (9137079).

Almost surely, 283538912 is an apocalyptic number.

It is an amenable number.

83538912 is an abundant number, since it is smaller than the sum of its proper divisors (135750984).

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

83538912 is a wasteful number, since it uses less digits than its factorization.

83538912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870210 (or 870202 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 83538912 is about 9139.9623631610. The cubic root of 83538912 is about 437.1491164284.

The spelling of 83538912 in words is "eighty-three million, five hundred thirty-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 870197 1740394 2610591 3480788 5221182 6961576 10442364 13923152 20884728 27846304 41769456 83538912