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83542968 = 23332913337
BaseRepresentation
bin1001111101011…
…00001110111000
312211012102102000
410332230032320
5132341333333
612142341000
72033050335
oct476541670
9184172360
1083542968
1143181083
1223b8a760
1314400c12
14b14998c
157503713
hex4fac3b8

83542968 has 64 divisors (see below), whose sum is σ = 240084000. Its totient is φ = 26885376.

The previous prime is 83542967. The next prime is 83543021. The reversal of 83542968 is 86924538.

83542968 is a `hidden beast` number, since 8 + 354 + 296 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83542967) 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, 405 + ... + 12932.

Almost surely, 283542968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83542968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120042000).

83542968 is an abundant number, since it is smaller than the sum of its proper divisors (156541032).

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

83542968 is a wasteful number, since it uses less digits than its factorization.

83542968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381 (or 13371 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 83542968 is about 9140.1842432196. The cubic root of 83542968 is about 437.1561911679.

The spelling of 83542968 in words is "eighty-three million, five hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 87 108 116 174 216 232 261 348 522 696 783 1044 1566 2088 3132 6264 13337 26674 40011 53348 80022 106696 120033 160044 240066 320088 360099 386773 480132 720198 773546 960264 1160319 1440396 1547092 2320638 2880792 3094184 3480957 4641276 6961914 9282552 10442871 13923828 20885742 27847656 41771484 83542968