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189734912 = 213192353
BaseRepresentation
bin10110100111100…
…10000000000000
3111020000112100222
423103302000000
5342033004122
630454402212
74462502003
oct1323620000
9436015328
10189734912
1198111714
1253660368
1330401ba3
141b2ad53a
15119ccb42
hexb4f2000

189734912 has 112 divisors (see below), whose sum is σ = 424647360. Its totient is φ = 84344832.

The previous prime is 189734899. The next prime is 189735031. The reversal of 189734912 is 219437981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579878 + ... + 3579930.

Almost surely, 2189734912 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 189734912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212323680).

189734912 is an abundant number, since it is smaller than the sum of its proper divisors (234912448).

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

189734912 is an equidigital number, since it uses as much as digits as its factorization.

189734912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 97 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 189734912 is about 13774.4296433645. The cubic root of 189734912 is about 574.6222214167.

The spelling of 189734912 in words is "one hundred eighty-nine million, seven hundred thirty-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 19 23 32 38 46 53 64 76 92 106 128 152 184 212 256 304 368 424 437 512 608 736 848 874 1007 1024 1216 1219 1472 1696 1748 2014 2048 2432 2438 2944 3392 3496 4028 4096 4864 4876 5888 6784 6992 8056 8192 9728 9752 11776 13568 13984 16112 19456 19504 23161 23552 27136 27968 32224 38912 39008 46322 47104 54272 55936 64448 77824 78016 92644 94208 108544 111872 128896 155648 156032 185288 188416 217088 223744 257792 312064 370576 434176 447488 515584 624128 741152 894976 1031168 1248256 1482304 1789952 2062336 2496512 2964608 3579904 4124672 4993024 5929216 8249344 9986048 11858432 23716864 47433728 94867456 189734912