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83472768 = 27348397
BaseRepresentation
bin1001111100110…
…11000110000000
312211001212010000
410332123012000
5132332112033
612141040000
72032335561
oct476330600
9184055100
1083472768
1143133365
1223b56000
13143a7c92
14b12c168
1574dca13
hex4f9b180

83472768 has 160 divisors (see below), whose sum is σ = 253998360. Its totient is φ = 27205632.

The previous prime is 83472751. The next prime is 83472791. The reversal of 83472768 is 86727438.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 860496 + ... + 860592.

Almost surely, 283472768 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 83472768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126999180).

83472768 is an abundant number, since it is smaller than the sum of its proper divisors (170525592).

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

83472768 is an equidigital number, since it uses as much as digits as its factorization.

83472768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 185 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 83472768 is about 9136.3432509949. The cubic root of 83472768 is about 437.0337114227.

The spelling of 83472768 in words is "eighty-three million, four hundred seventy-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 83 96 97 108 128 144 162 166 192 194 216 249 288 291 324 332 384 388 432 498 576 582 648 664 747 776 864 873 996 1152 1164 1296 1328 1494 1552 1728 1746 1992 2241 2328 2592 2619 2656 2988 3104 3456 3492 3984 4482 4656 5184 5238 5312 5976 6208 6723 6984 7857 7968 8051 8964 9312 10368 10476 10624 11952 12416 13446 13968 15714 15936 16102 17928 18624 20952 23904 24153 26892 27936 31428 31872 32204 35856 37248 41904 47808 48306 53784 55872 62856 64408 71712 72459 83808 95616 96612 107568 111744 125712 128816 143424 144918 167616 193224 215136 217377 251424 257632 286848 289836 335232 386448 430272 434754 502848 515264 579672 652131 772896 860544 869508 1005696 1030528 1159344 1304262 1545792 1739016 2318688 2608524 3091584 3478032 4637376 5217048 6956064 9274752 10434096 13912128 20868192 27824256 41736384 83472768