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189729382 = 2137739937
BaseRepresentation
bin10110100111100…
…00101001100110
3111020000020210011
423103300221212
5342032320012
630454320434
74462446613
oct1323605146
9436006704
10189729382
1198108547
125365911a
13303cc50b
141b2ab50a
15119cb1a7
hexb4f0a66

189729382 has 16 divisors (see below), whose sum is σ = 287365680. Its totient is φ = 93944448.

The previous prime is 189729361. The next prime is 189729403. The reversal of 189729382 is 283927981.

189729382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (189729361) and next prime (189729403).

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, 202018 + ... + 202954.

It is an arithmetic number, because the mean of its divisors is an integer number (17960355).

Almost surely, 2189729382 is an apocalyptic number.

189729382 is a deficient number, since it is larger than the sum of its proper divisors (97636298).

189729382 is a wasteful number, since it uses less digits than its factorization.

189729382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815.

The product of its digits is 435456, while the sum is 49.

The square root of 189729382 is about 13774.2289076376. The cubic root of 189729382 is about 574.6166387299.

The spelling of 189729382 in words is "one hundred eighty-nine million, seven hundred twenty-nine thousand, three hundred eighty-two".

Divisors: 1 2 137 274 739 937 1478 1874 101243 128369 202486 256738 692443 1384886 94864691 189729382