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189942382 = 2723956767
BaseRepresentation
bin10110101001001…
…00101001101110
3111020102001222001
423110210221232
5342111124012
630503042514
74464324610
oct1324445156
9436361861
10189942382
1198243583
125374043a
1330475456
141b324db0
1511a1e357
hexb524a6e

189942382 has 16 divisors (see below), whose sum is σ = 326983680. Its totient is φ = 81061848.

The previous prime is 189942367. The next prime is 189942383. The reversal of 189942382 is 283249981.

189942382 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 not an unprimeable number, because it can be changed into a prime (189942383) 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, 25038 + ... + 31729.

It is an arithmetic number, because the mean of its divisors is an integer number (20436480).

Almost surely, 2189942382 is an apocalyptic number.

189942382 is a deficient number, since it is larger than the sum of its proper divisors (137041298).

189942382 is a wasteful number, since it uses less digits than its factorization.

189942382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57015.

The product of its digits is 248832, while the sum is 46.

The square root of 189942382 is about 13781.9585690859. The cubic root of 189942382 is about 574.8315897470.

The spelling of 189942382 in words is "one hundred eighty-nine million, nine hundred forty-two thousand, three hundred eighty-two".

Divisors: 1 2 7 14 239 478 1673 3346 56767 113534 397369 794738 13567313 27134626 94971191 189942382