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825708972 = 2231117477829
BaseRepresentation
bin110001001101110…
…101000110101100
32010112201100202210
4301031311012230
53142340141342
6213533450420
726314260534
oct6115650654
92115640683
10825708972
11394100410
121b0640a10
131020b49ba
147b93c4c4
154c75479c
hex313751ac

825708972 has 96 divisors (see below), whose sum is σ = 2273080320. Its totient is φ = 230456320.

The previous prime is 825708941. The next prime is 825708991. The reversal of 825708972 is 279807528.

825708972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101554 + ... + 109382.

It is an arithmetic number, because the mean of its divisors is an integer number (23677920).

Almost surely, 2825708972 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 825708972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136540160).

825708972 is an abundant number, since it is smaller than the sum of its proper divisors (1447371348).

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

825708972 is a wasteful number, since it uses less digits than its factorization.

825708972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 825708972 is about 28735.1522007453. The cubic root of 825708972 is about 938.1573121136.

The spelling of 825708972 in words is "eight hundred twenty-five million, seven hundred eight thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 47 51 66 68 94 102 132 141 187 188 204 282 374 517 561 564 748 799 1034 1122 1551 1598 2068 2244 2397 3102 3196 4794 6204 7829 8789 9588 15658 17578 23487 26367 31316 35156 46974 52734 86119 93948 105468 133093 172238 258357 266186 344476 367963 399279 516714 532372 735926 798558 1033428 1103889 1464023 1471852 1597116 2207778 2928046 4047593 4392069 4415556 5856092 6255371 8095186 8784138 12142779 12510742 16190372 17568276 18766113 24285558 25021484 37532226 48571116 68809081 75064452 137618162 206427243 275236324 412854486 825708972