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15428014 = 271102001
BaseRepresentation
bin111010110110…
…100110101110
31002000211020221
4322312212232
512422144024
61310401554
7245064430
oct72664656
932024227
1015428014
118788328
1252002ba
133272404
142098650
15154b3e4
hexeb69ae

15428014 has 8 divisors (see below), whose sum is σ = 26448048. Its totient is φ = 6612000.

The previous prime is 15428011. The next prime is 15428047. The reversal of 15428014 is 41082451.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15428014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15428011) 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, 550987 + ... + 551014.

It is an arithmetic number, because the mean of its divisors is an integer number (3306006).

Almost surely, 215428014 is an apocalyptic number.

15428014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15428014 is a deficient number, since it is larger than the sum of its proper divisors (11020034).

15428014 is a wasteful number, since it uses less digits than its factorization.

15428014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102010.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 15428014 is about 3927.8510664230. The cubic root of 15428014 is about 248.9449618412.

The spelling of 15428014 in words is "fifteen million, four hundred twenty-eight thousand, fourteen".

Divisors: 1 2 7 14 1102001 2204002 7714007 15428014