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189124208 = 24713129893
BaseRepresentation
bin10110100010111…
…00111001110000
3111011212111122022
423101130321300
5341403433313
630433331012
74454346350
oct1321347160
9434774568
10189124208
11978348a9
1253406a68
1330249c20
141b190b60
151190bc08
hexb45ce70

189124208 has 40 divisors (see below), whose sum is σ = 450991968. Its totient is φ = 74817792.

The previous prime is 189124181. The next prime is 189124249. The reversal of 189124208 is 802421981.

189124208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 63491 + ... + 66402.

Almost surely, 2189124208 is an apocalyptic number.

It is an amenable number.

189124208 is an abundant number, since it is smaller than the sum of its proper divisors (261867760).

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

189124208 is a wasteful number, since it uses less digits than its factorization.

189124208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129921 (or 129915 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 189124208 is about 13752.2437442041. The cubic root of 189124208 is about 574.0050423058.

The spelling of 189124208 in words is "one hundred eighty-nine million, one hundred twenty-four thousand, two hundred eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 129893 259786 519572 909251 1039144 1688609 1818502 2078288 3377218 3637004 6754436 7274008 11820263 13508872 14548016 23640526 27017744 47281052 94562104 189124208