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18714080 = 255731131
BaseRepresentation
bin100011101100…
…0110111100000
31022012202220002
41013120313200
514242322310
61505035132
7315032000
oct107306740
938182802
1018714080
11a622190
126325aa8
133b53028
1426b2000
151999da5
hex11d8de0

18714080 has 192 divisors, whose sum is σ = 58060800. Its totient is φ = 5644800.

The previous prime is 18714079. The next prime is 18714097. The reversal of 18714080 is 8041781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603665 + ... + 603695.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 218714080 is an apocalyptic number.

18714080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18714080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29030400).

18714080 is an abundant number, since it is smaller than the sum of its proper divisors (39346720).

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

18714080 is a wasteful number, since it uses less digits than its factorization.

18714080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 18714080 is about 4325.9773462190. The cubic root of 18714080 is about 265.4948863101.

The spelling of 18714080 in words is "eighteen million, seven hundred fourteen thousand, eighty".