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83490524 = 22131605587
BaseRepresentation
bin1001111100111…
…11011011011100
312211002202110122
410332133123130
5132333144044
612141254112
72032441415
oct476373334
9184082418
1083490524
1143145737
1223b64338
13143b30a0
14b13480c
1574e2dee
hex4f9f6dc

83490524 has 12 divisors (see below), whose sum is σ = 157347624. Its totient is φ = 38534064.

The previous prime is 83490523. The next prime is 83490527. The reversal of 83490524 is 42509438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83490521) 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, 802742 + ... + 802845.

It is an arithmetic number, because the mean of its divisors is an integer number (13112302).

Almost surely, 283490524 is an apocalyptic number.

It is an amenable number.

83490524 is a deficient number, since it is larger than the sum of its proper divisors (73857100).

83490524 is a wasteful number, since it uses less digits than its factorization.

83490524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605604 (or 1605602 counting only the distinct ones).

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

The square root of 83490524 is about 9137.3149228863. The cubic root of 83490524 is about 437.0646972584.

The spelling of 83490524 in words is "eighty-three million, four hundred ninety thousand, five hundred twenty-four".

Divisors: 1 2 4 13 26 52 1605587 3211174 6422348 20872631 41745262 83490524