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689382934 = 24722073323
BaseRepresentation
bin101001000101110…
…010011000010110
31210001012021121021
4221011302120112
52402440223214
6152223511354
723040441532
oct5105623026
91701167537
10689382934
11324158669
12172a5855a
13aca929c6
14677b2bc2
15407c6924
hex29172616

689382934 has 16 divisors (see below), whose sum is σ = 1056872448. Its totient is φ = 337103272.

The previous prime is 689382913. The next prime is 689382943. The reversal of 689382934 is 439283986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205797 + ... + 209119.

It is an arithmetic number, because the mean of its divisors is an integer number (66054528).

Almost surely, 2689382934 is an apocalyptic number.

689382934 is a deficient number, since it is larger than the sum of its proper divisors (367489514).

689382934 is a wasteful number, since it uses less digits than its factorization.

689382934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579.

The product of its digits is 2239488, while the sum is 52.

The square root of 689382934 is about 26256.1027953503. The cubic root of 689382934 is about 883.3920963716.

The spelling of 689382934 in words is "six hundred eighty-nine million, three hundred eighty-two thousand, nine hundred thirty-four".

Divisors: 1 2 47 94 2207 3323 4414 6646 103729 156181 207458 312362 7333861 14667722 344691467 689382934