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189285304 = 23131820051
BaseRepresentation
bin10110100100001…
…00001110111000
3111012011200121211
423102010032320
5341424112204
630441012504
74455620125
oct1322041670
9435150554
10189285304
119793493a
1253484134
13302a5350
141b1d374c
151193e804
hexb4843b8

189285304 has 16 divisors (see below), whose sum is σ = 382210920. Its totient is φ = 87362400.

The previous prime is 189285281. The next prime is 189285311. The reversal of 189285304 is 403582981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909922 + ... + 910129.

Almost surely, 2189285304 is an apocalyptic number.

It is an amenable number.

189285304 is an abundant number, since it is smaller than the sum of its proper divisors (192925616).

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

189285304 is a wasteful number, since it uses less digits than its factorization.

189285304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820070 (or 1820066 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 189285304 is about 13758.0995780667. The cubic root of 189285304 is about 574.1679752171.

The spelling of 189285304 in words is "one hundred eighty-nine million, two hundred eighty-five thousand, three hundred four".

Divisors: 1 2 4 8 13 26 52 104 1820051 3640102 7280204 14560408 23660663 47321326 94642652 189285304