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725271252 = 22310725279
BaseRepresentation
bin101011001110101…
…100001011010100
31212112201121010020
4223032230023110
52441132140002
6155545025140
723654463306
oct5316541324
91775647106
10725271252
11342440032
12182a851b0
13b7349bb4
146c475976
1543a152bc
hex2b3ac2d4

725271252 has 36 divisors (see below), whose sum is σ = 1708586880. Its totient is φ = 239452304.

The previous prime is 725271233. The next prime is 725271301. The reversal of 725271252 is 252172527.

725271252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134749 + ... + 140027.

Almost surely, 2725271252 is an apocalyptic number.

It is an amenable number.

725271252 is an abundant number, since it is smaller than the sum of its proper divisors (983315628).

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

725271252 is a wasteful number, since it uses less digits than its factorization.

725271252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500 (or 5391 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 725271252 is about 26930.8605878089. The cubic root of 725271252 is about 898.4629121424.

The spelling of 725271252 in words is "seven hundred twenty-five million, two hundred seventy-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 5279 10558 11449 15837 21116 22898 31674 34347 45796 63348 68694 137388 564853 1129706 1694559 2259412 3389118 6778236 60439271 120878542 181317813 241757084 362635626 725271252