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18457034 = 225136767
BaseRepresentation
bin100011001101…
…0000111001010
31021201201021212
41012122013022
514211111114
61455333122
7312611411
oct106320712
937651255
1018457034
11a467052
1262211a2
133a9302b
142646478
151948b3e
hex119a1ca

18457034 has 8 divisors (see below), whose sum is σ = 27796608. Its totient is φ = 9191500.

The previous prime is 18457031. The next prime is 18457039. The reversal of 18457034 is 43075481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18457031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17882 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (3474576).

Almost surely, 218457034 is an apocalyptic number.

18457034 is a deficient number, since it is larger than the sum of its proper divisors (9339574).

18457034 is a wasteful number, since it uses less digits than its factorization.

18457034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37020.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 18457034 is about 4296.1650340740. The cubic root of 18457034 is about 264.2737155776.

The spelling of 18457034 in words is "eighteen million, four hundred fifty-seven thousand, thirty-four".

Divisors: 1 2 251 502 36767 73534 9228517 18457034