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83506968 = 23324724677
BaseRepresentation
bin1001111101000…
…11011100011000
312211010121000200
410332203130120
5132334210333
612141502200
72032540356
oct476433430
9184117020
1083506968
1143157026
1223b71960
13143ba70c
14b13a7d6
1574e7c13
hex4fa3718

83506968 has 48 divisors (see below), whose sum is σ = 230986080. Its totient is φ = 27242304.

The previous prime is 83506961. The next prime is 83506981. The reversal of 83506968 is 86960538.

83506968 is a `hidden beast` number, since 83 + 506 + 9 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83506961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8955 + ... + 15722.

It is an arithmetic number, because the mean of its divisors is an integer number (4812210).

Almost surely, 283506968 is an apocalyptic number.

It is an amenable number.

83506968 is an abundant number, since it is smaller than the sum of its proper divisors (147479112).

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

83506968 is a wasteful number, since it uses less digits than its factorization.

83506968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24736 (or 24729 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 83506968 is about 9138.2147052912. The cubic root of 83506968 is about 437.0933896167.

It can be divided in two parts, 83506 and 968, that multiplied together give a palindrome (80833808).

The spelling of 83506968 in words is "eighty-three million, five hundred six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 1128 1692 3384 24677 49354 74031 98708 148062 197416 222093 296124 444186 592248 888372 1159819 1776744 2319638 3479457 4639276 6958914 9278552 10438371 13917828 20876742 27835656 41753484 83506968