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725084892 = 223372394013
BaseRepresentation
bin101011001101111…
…110101011011100
31212112101010111000
4223031332223130
52441110204032
6155541030300
723653056060
oct5315765334
91775333430
10725084892
11342323014
121829b5390
13b72b311c
146c427aa0
15439c9e7c
hex2b37eadc

725084892 has 96 divisors (see below), whose sum is σ = 2157926400. Its totient is φ = 206248896.

The previous prime is 725084887. The next prime is 725084917. The reversal of 725084892 is 298480527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178678 + ... + 182690.

It is an arithmetic number, because the mean of its divisors is an integer number (22478400).

Almost surely, 2725084892 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 725084892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078963200).

725084892 is an abundant number, since it is smaller than the sum of its proper divisors (1432841508).

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

725084892 is a wasteful number, since it uses less digits than its factorization.

725084892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 725084892 is about 26927.4003943938. The cubic root of 725084892 is about 898.3859515611.

The spelling of 725084892 in words is "seven hundred twenty-five million, eighty-four thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 239 252 378 478 717 756 956 1434 1673 2151 2868 3346 4013 4302 5019 6453 6692 8026 8604 10038 12039 12906 15057 16052 20076 24078 25812 28091 30114 36117 45171 48156 56182 60228 72234 84273 90342 108351 112364 144468 168546 180684 216702 252819 337092 433404 505638 758457 959107 1011276 1516914 1918214 2877321 3033828 3836428 5754642 6713749 8631963 11509284 13427498 17263926 20141247 25895889 26854996 34527852 40282494 51791778 60423741 80564988 103583556 120847482 181271223 241694964 362542446 725084892