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18829134 = 2322345481
BaseRepresentation
bin100011111010…
…0111101001110
31022102121201100
41013310331032
514310013014
61511323530
7316021302
oct107647516
938377640
1018829134
11a6a0675
1263805a6
133b934cc
142701d02
1519be009
hex11f4f4e

18829134 has 24 divisors (see below), whose sum is σ = 42571152. Its totient is φ = 6003360.

The previous prime is 18829123. The next prime is 18829163. The reversal of 18829134 is 43192881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22327 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (1773798).

Almost surely, 218829134 is an apocalyptic number.

18829134 is an abundant number, since it is smaller than the sum of its proper divisors (23742018).

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

18829134 is a wasteful number, since it uses less digits than its factorization.

18829134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45512 (or 45509 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 18829134 is about 4339.2550051823. The cubic root of 18829134 is about 266.0378618350.

The spelling of 18829134 in words is "eighteen million, eight hundred twenty-nine thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 45481 90962 136443 272886 409329 818658 1046063 2092126 3138189 6276378 9414567 18829134