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18382674 = 238336913
BaseRepresentation
bin100011000011…
…1111101010010
31021120221021210
41012013331102
514201221144
61454000550
7312151542
oct106077522
937527253
1018382674
11a4161a2
1261a6156
133a6822b
142627322
151931ab9
hex1187f52

18382674 has 16 divisors (see below), whose sum is σ = 37209312. Its totient is φ = 6053568.

The previous prime is 18382669. The next prime is 18382733. The reversal of 18382674 is 47628381.

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, 17959 + ... + 18954.

It is an arithmetic number, because the mean of its divisors is an integer number (2325582).

Almost surely, 218382674 is an apocalyptic number.

18382674 is an abundant number, since it is smaller than the sum of its proper divisors (18826638).

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

18382674 is a wasteful number, since it uses less digits than its factorization.

18382674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37001.

The product of its digits is 64512, while the sum is 39.

The square root of 18382674 is about 4287.5020699703. The cubic root of 18382674 is about 263.9183344740.

The spelling of 18382674 in words is "eighteen million, three hundred eighty-two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 83 166 249 498 36913 73826 110739 221478 3063779 6127558 9191337 18382674