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18382934 = 2231372917
BaseRepresentation
bin100011000100…
…0000001010110
31021120221122102
41012020001112
514201223214
61454002102
7312152363
oct106100126
937527572
1018382934
11a416409
1261a6332
133a6839b
14262746a
151931bde
hex1188056

18382934 has 16 divisors (see below), whose sum is σ = 28993248. Its totient is φ = 8724672.

The previous prime is 18382919. The next prime is 18382939. The reversal of 18382934 is 43928381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382939) 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, 4844 + ... + 7760.

It is an arithmetic number, because the mean of its divisors is an integer number (1812078).

Almost surely, 218382934 is an apocalyptic number.

18382934 is a deficient number, since it is larger than the sum of its proper divisors (10610314).

18382934 is a wasteful number, since it uses less digits than its factorization.

18382934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079.

The product of its digits is 41472, while the sum is 38.

The square root of 18382934 is about 4287.5323905482. The cubic root of 18382934 is about 263.9195787333.

The spelling of 18382934 in words is "eighteen million, three hundred eighty-two thousand, nine hundred thirty-four".

Divisors: 1 2 23 46 137 274 2917 3151 5834 6302 67091 134182 399629 799258 9191467 18382934