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189648486 = 23323315073
BaseRepresentation
bin10110100110111…
…00111001100110
3111012212010211000
423103130321212
5342022222421
630452454130
74461662016
oct1323347146
9435763730
10189648486
1198062795
125361a346
13303a1751
141b289c46
15119b2226
hexb4dce66

189648486 has 32 divisors (see below), whose sum is σ = 423277920. Its totient is φ = 62940672.

The previous prime is 189648461. The next prime is 189648499. The reversal of 189648486 is 684846981.

189648486 is a `hidden beast` number, since 1 + 89 + 6 + 484 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5046 + ... + 20118.

It is an arithmetic number, because the mean of its divisors is an integer number (13227435).

Almost surely, 2189648486 is an apocalyptic number.

189648486 is an abundant number, since it is smaller than the sum of its proper divisors (233629434).

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

189648486 is a wasteful number, since it uses less digits than its factorization.

189648486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317 (or 15311 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 189648486 is about 13771.2920962414. The cubic root of 189648486 is about 574.5349595943.

The spelling of 189648486 in words is "one hundred eighty-nine million, six hundred forty-eight thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 233 466 699 1398 2097 4194 6291 12582 15073 30146 45219 90438 135657 271314 406971 813942 3512009 7024018 10536027 21072054 31608081 63216162 94824243 189648486