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15680014 = 271120001
BaseRepresentation
bin111011110100…
…001000001110
31002111121221021
4323310020032
513003230024
61320024354
7250164220
oct73641016
932447837
1015680014
11893a699
1253020ba
13333001c
142122410
15159ade4
hexef420e

15680014 has 8 divisors (see below), whose sum is σ = 26880048. Its totient is φ = 6720000.

The previous prime is 15680011. The next prime is 15680029. The reversal of 15680014 is 41008651.

15680014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15680011) 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, 559987 + ... + 560014.

It is an arithmetic number, because the mean of its divisors is an integer number (3360006).

Almost surely, 215680014 is an apocalyptic number.

15680014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15680014 is a deficient number, since it is larger than the sum of its proper divisors (11200034).

15680014 is a wasteful number, since it uses less digits than its factorization.

15680014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120010.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 15680014 is about 3959.7997424112. The cubic root of 15680014 is about 250.2930643190.

Adding to 15680014 its reverse (41008651), we get a palindrome (56688665).

The spelling of 15680014 in words is "fifteen million, six hundred eighty thousand, fourteen".

Divisors: 1 2 7 14 1120001 2240002 7840007 15680014