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18514074 = 237434153
BaseRepresentation
bin100011010100…
…0000010011010
31021211121112110
41012220002122
514214422244
61500453150
7313236615
oct106500232
937747473
1018514074
11a4a5997
12624a1b6
133ab2c97
14265d17c
15195a9b9
hex11a809a

18514074 has 16 divisors (see below), whose sum is σ = 37086912. Its totient is φ = 6161568.

The previous prime is 18514073. The next prime is 18514079. The reversal of 18514074 is 47041581.

It is not an unprimeable number, because it can be changed into a prime (18514073) 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, 2382 + ... + 6534.

It is an arithmetic number, because the mean of its divisors is an integer number (2317932).

Almost surely, 218514074 is an apocalyptic number.

18514074 is an abundant number, since it is smaller than the sum of its proper divisors (18572838).

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

18514074 is a wasteful number, since it uses less digits than its factorization.

18514074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 18514074 is about 4302.7983917446. The cubic root of 18514074 is about 264.5456746011.

The spelling of 18514074 in words is "eighteen million, five hundred fourteen thousand, seventy-four".

Divisors: 1 2 3 6 743 1486 2229 4153 4458 8306 12459 24918 3085679 6171358 9257037 18514074