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188042934 = 2347876547
BaseRepresentation
bin10110011010101…
…00111010110110
3111002211120102010
423031110322312
5341114333214
630354225050
74442224062
oct1315247266
9432746363
10188042934
1197166492
1252b85186
132cc5ba11
141ad8caa2
1511796659
hexb354eb6

188042934 has 16 divisors (see below), whose sum is σ = 376221888. Its totient is φ = 62658312.

The previous prime is 188042927. The next prime is 188042947. The reversal of 188042934 is 439240881.

It is a junction number, because it is equal to n+sod(n) for n = 188042892 and 188042901.

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, 25449 + ... + 31995.

It is an arithmetic number, because the mean of its divisors is an integer number (23513868).

Almost surely, 2188042934 is an apocalyptic number.

188042934 is an abundant number, since it is smaller than the sum of its proper divisors (188178954).

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

188042934 is a wasteful number, since it uses less digits than its factorization.

188042934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 188042934 is about 13712.8747533112. The cubic root of 188042934 is about 572.9090371521.

The spelling of 188042934 in words is "one hundred eighty-eight million, forty-two thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 4787 6547 9574 13094 14361 19641 28722 39282 31340489 62680978 94021467 188042934