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15428424 = 2331158441
BaseRepresentation
bin111010110110…
…101101001000
31002000211211010
4322312231020
512422202144
61310403520
7245065554
oct72665510
932024733
1015428424
118788670
1252005a0
13327265b
142098864
15154b5b9
hexeb6b48

15428424 has 32 divisors (see below), whose sum is σ = 42078240. Its totient is φ = 4675200.

The previous prime is 15428419. The next prime is 15428429. The reversal of 15428424 is 42482451.

It is an interprime number because it is at equal distance from previous prime (15428419) and next prime (15428429).

It is a junction number, because it is equal to n+sod(n) for n = 15428391 and 15428400.

It is not an unprimeable number, because it can be changed into a prime (15428429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28957 + ... + 29484.

It is an arithmetic number, because the mean of its divisors is an integer number (1314945).

Almost surely, 215428424 is an apocalyptic number.

It is an amenable number.

15428424 is an abundant number, since it is smaller than the sum of its proper divisors (26649816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15428424 is a wasteful number, since it uses less digits than its factorization.

15428424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58461 (or 58457 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 15428424 is about 3927.9032574645. The cubic root of 15428424 is about 248.9471670620.

The spelling of 15428424 in words is "fifteen million, four hundred twenty-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 58441 116882 175323 233764 350646 467528 642851 701292 1285702 1402584 1928553 2571404 3857106 5142808 7714212 15428424