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725086332 = 2232791931321
BaseRepresentation
bin101011001101111…
…111000001111100
31212112101012110100
4223031333001330
52441110230312
6155541041100
723653063215
oct5315770174
91775335410
10725086332
11342324103
121829b6190
13b72b3989
146c42840c
15439ca5dc
hex2b37f07c

725086332 has 72 divisors (see below), whose sum is σ = 1867087040. Its totient is φ = 237219840.

The previous prime is 725086291. The next prime is 725086361. The reversal of 725086332 is 233680527.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 548232 + ... + 549552.

Almost surely, 2725086332 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 725086332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933543520).

725086332 is an abundant number, since it is smaller than the sum of its proper divisors (1142000708).

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

725086332 is a wasteful number, since it uses less digits than its factorization.

725086332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 725086332 is about 26927.4271329438. The cubic root of 725086332 is about 898.3865462845.

The spelling of 725086332 in words is "seven hundred twenty-five million, eighty-six thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 193 237 316 386 474 579 711 772 948 1158 1321 1422 1737 2316 2642 2844 3474 3963 5284 6948 7926 11889 15247 15852 23778 30494 45741 47556 60988 91482 104359 137223 182964 208718 254953 274446 313077 417436 509906 548892 626154 764859 939231 1019812 1252308 1529718 1878462 2294577 3059436 3756924 4589154 9178308 20141287 40282574 60423861 80565148 120847722 181271583 241695444 362543166 725086332