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15428114 = 2131931231
BaseRepresentation
bin111010110110…
…101000010010
31002000211101122
4322312220102
512422144424
61310402242
7245064632
oct72665022
932024348
1015428114
118788409
125200382
133272480
1420986c2
15154b45e
hexeb6a12

15428114 has 16 divisors (see below), whose sum is σ = 26234880. Its totient is φ = 6745680.

The previous prime is 15428107. The next prime is 15428131. The reversal of 15428114 is 41182451.

15428114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15122 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (1639680).

Almost surely, 215428114 is an apocalyptic number.

15428114 is a deficient number, since it is larger than the sum of its proper divisors (10806766).

15428114 is a wasteful number, since it uses less digits than its factorization.

15428114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31265.

The product of its digits is 1280, while the sum is 26.

The square root of 15428114 is about 3927.8637960092. The cubic root of 15428114 is about 248.9454997036.

The spelling of 15428114 in words is "fifteen million, four hundred twenty-eight thousand, one hundred fourteen".

Divisors: 1 2 13 19 26 38 247 494 31231 62462 406003 593389 812006 1186778 7714057 15428114