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189057234 = 2383379633
BaseRepresentation
bin10110100010011…
…00100011010010
3111011202002202210
423101030203102
5341344312414
630432052550
74453650162
oct1321144322
9434662683
10189057234
1197799553
1253394156
13302255b2
141b1745a2
15118e6e59
hexb44c8d2

189057234 has 16 divisors (see below), whose sum is σ = 382671072. Its totient is φ = 62259648.

The previous prime is 189057233. The next prime is 189057241. The reversal of 189057234 is 432750981.

189057234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 189057192 and 189057201.

It is not an unprimeable number, because it can be changed into a prime (189057233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189319 + ... + 190314.

It is an arithmetic number, because the mean of its divisors is an integer number (23916942).

Almost surely, 2189057234 is an apocalyptic number.

189057234 is an abundant number, since it is smaller than the sum of its proper divisors (193613838).

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

189057234 is a wasteful number, since it uses less digits than its factorization.

189057234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379721.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 189057234 is about 13749.8085077575. The cubic root of 189057234 is about 573.9372773998.

The spelling of 189057234 in words is "one hundred eighty-nine million, fifty-seven thousand, two hundred thirty-four".

Divisors: 1 2 3 6 83 166 249 498 379633 759266 1138899 2277798 31509539 63019078 94528617 189057234