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189375232 = 286167181
BaseRepresentation
bin10110100100110…
…10001100000000
3111012100020222111
423102122030000
5341440001412
630442545104
74456443244
oct1322321400
9435306874
10189375232
1197996462
1253508194
1330307267
141b218424
151195b2a7
hexb49a300

189375232 has 72 divisors (see below), whose sum is σ = 392096432. Its totient is φ = 91238400.

The previous prime is 189375227. The next prime is 189375239. The reversal of 189375232 is 232573981.

It is not an unprimeable number, because it can be changed into a prime (189375239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046182 + ... + 1046362.

Almost surely, 2189375232 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 189375232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196048216).

189375232 is an abundant number, since it is smaller than the sum of its proper divisors (202721200).

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

189375232 is an equidigital number, since it uses as much as digits as its factorization.

189375232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 311 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 189375232 is about 13761.3673739204. The cubic root of 189375232 is about 574.2588884255.

The spelling of 189375232 in words is "one hundred eighty-nine million, three hundred seventy-five thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 61 64 67 122 128 134 181 244 256 268 362 488 536 724 976 1072 1448 1952 2144 2896 3904 4087 4288 5792 7808 8174 8576 11041 11584 12127 15616 16348 17152 22082 23168 24254 32696 44164 46336 48508 65392 88328 97016 130784 176656 194032 261568 353312 388064 523136 706624 739747 776128 1046272 1413248 1479494 1552256 2826496 2958988 3104512 5917976 11835952 23671904 47343808 94687616 189375232