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14090687 = 131083899
BaseRepresentation
bin110101110000…
…000110111111
3222111212210022
4311300012333
512101400222
61222002355
7230524502
oct65600677
928455708
1014090687
117a545a6
1248763bb
132bc47b0
141c2b139
151385042
hexd701bf

14090687 has 4 divisors (see below), whose sum is σ = 15174600. Its totient is φ = 13006776.

The previous prime is 14090653. The next prime is 14090693. The reversal of 14090687 is 78609041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78609041 = 711229863.

It is a cyclic number.

It is not a de Polignac number, because 14090687 - 26 = 14090623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14090617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541937 + ... + 541962.

It is an arithmetic number, because the mean of its divisors is an integer number (3793650).

Almost surely, 214090687 is an apocalyptic number.

14090687 is a deficient number, since it is larger than the sum of its proper divisors (1083913).

14090687 is a wasteful number, since it uses less digits than its factorization.

14090687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083912.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 14090687 is about 3753.7563852760. The cubic root of 14090687 is about 241.5335081465.

The spelling of 14090687 in words is "fourteen million, ninety thousand, six hundred eighty-seven".

Divisors: 1 13 1083899 14090687