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14501987 = 4128627
BaseRepresentation
bin110111010100…
…100001100011
31000021202222122
4313110201203
512203030422
61234454455
7234156563
oct67244143
930252878
1014501987
118205615
124a3442b
133009a76
141cd6da3
151416d42
hexdd4863

14501987 has 6 divisors (see below), whose sum is σ = 14866044. Its totient is φ = 14146640.

The previous prime is 14501953. The next prime is 14501989. The reversal of 14501987 is 78910541.

14501987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14501987 - 26 = 14501923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14501989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2633 + ... + 5994.

It is an arithmetic number, because the mean of its divisors is an integer number (2477674).

Almost surely, 214501987 is an apocalyptic number.

14501987 is a deficient number, since it is larger than the sum of its proper divisors (364057).

14501987 is an frugal number, since it uses more digits than its factorization.

14501987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709 (or 8668 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 14501987 is about 3808.1474498764. The cubic root of 14501987 is about 243.8610861621.

The spelling of 14501987 in words is "fourteen million, five hundred one thousand, nine hundred eighty-seven".

Divisors: 1 41 1681 8627 353707 14501987