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82880304 = 24313217601
BaseRepresentation
bin1001111000010…
…10011100110000
312202221202101220
410330022130300
5132204132204
612120225040
72024320353
oct474123460
9182852356
1082880304
1142869221
122390b180
131422b400
14b01629a
1574221d9
hex4f0a730

82880304 has 120 divisors (see below), whose sum is σ = 245890512. Its totient is φ = 23961600.

The previous prime is 82880257. The next prime is 82880323. The reversal of 82880304 is 40308828.

It is a super-2 number, since 2×828803042 = 13738289582264832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137604 + ... + 138204.

Almost surely, 282880304 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 82880304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122945256).

82880304 is an abundant number, since it is smaller than the sum of its proper divisors (163010208).

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

82880304 is a wasteful number, since it uses less digits than its factorization.

82880304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 82880304 is about 9103.8620376190. The cubic root of 82880304 is about 435.9972785510.

The spelling of 82880304 in words is "eighty-two million, eight hundred eighty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 34 39 48 51 52 68 78 102 104 136 156 169 204 208 221 272 312 338 408 442 507 601 624 663 676 816 884 1014 1202 1326 1352 1768 1803 2028 2404 2652 2704 2873 3536 3606 4056 4808 5304 5746 7212 7813 8112 8619 9616 10217 10608 11492 14424 15626 17238 20434 22984 23439 28848 30651 31252 34476 40868 45968 46878 61302 62504 68952 81736 93756 101569 122604 125008 132821 137904 163472 187512 203138 245208 265642 304707 375024 398463 406276 490416 531284 609414 796926 812552 1062568 1218828 1593852 1625104 1726673 2125136 2437656 3187704 3453346 4875312 5180019 6375408 6906692 10360038 13813384 20720076 27626768 41440152 82880304