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83418768 = 2433316229
BaseRepresentation
bin1001111100011…
…01111010010000
312210222010001000
410332031322100
5132323400033
612135542000
72032022256
oct476157220
9183863030
1083418768
11430a6834
1223b2a900
1314389524
14b1165d6
1574cba13
hex4f8de90

83418768 has 80 divisors (see below), whose sum is σ = 247206400. Its totient is φ = 26904960.

The previous prime is 83418719. The next prime is 83418793. The reversal of 83418768 is 86781438.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10278 + ... + 16506.

It is an arithmetic number, because the mean of its divisors is an integer number (3090080).

Almost surely, 283418768 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 83418768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123603200).

83418768 is an abundant number, since it is smaller than the sum of its proper divisors (163787632).

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

83418768 is a wasteful number, since it uses less digits than its factorization.

83418768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277 (or 6265 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 83418768 is about 9133.3875424182. The cubic root of 83418768 is about 436.9394494981.

The spelling of 83418768 in words is "eighty-three million, four hundred eighteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 93 108 124 144 186 216 248 279 372 432 496 558 744 837 1116 1488 1674 2232 3348 4464 6229 6696 12458 13392 18687 24916 37374 49832 56061 74748 99664 112122 149496 168183 193099 224244 298992 336366 386198 448488 579297 672732 772396 896976 1158594 1345464 1544792 1737891 2317188 2690928 3089584 3475782 4634376 5213673 6951564 9268752 10427346 13903128 20854692 27806256 41709384 83418768