Search a number
-
+
189936104 = 23175923671
BaseRepresentation
bin10110101001000…
…11000111101000
3111020101202100112
423110203013220
5342110423404
630502553452
74464300401
oct1324430750
9436352315
10189936104
1198239896
1253738888
1330472637
141b3229a8
1511a1c56e
hexb5231e8

189936104 has 32 divisors (see below), whose sum is σ = 383486400. Its totient is φ = 87863040.

The previous prime is 189936091. The next prime is 189936113. The reversal of 189936104 is 401639981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3812 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (11983950).

Almost surely, 2189936104 is an apocalyptic number.

It is an amenable number.

189936104 is an abundant number, since it is smaller than the sum of its proper divisors (193550296).

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

189936104 is a wasteful number, since it uses less digits than its factorization.

189936104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23753 (or 23749 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 189936104 is about 13781.7308056717. The cubic root of 189936104 is about 574.8252565414.

The spelling of 189936104 in words is "one hundred eighty-nine million, nine hundred thirty-six thousand, one hundred four".

Divisors: 1 2 4 8 17 34 59 68 118 136 236 472 1003 2006 4012 8024 23671 47342 94684 189368 402407 804814 1396589 1609628 2793178 3219256 5586356 11172712 23742013 47484026 94968052 189936104