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13379430 = 235597559
BaseRepresentation
bin110011000010…
…011101100110
3221011202010110
4303002131212
511411120210
61154433450
7221503041
oct63023546
927152113
1013379430
117609189
124592886
132a05b2c
141ac3c58
151294420
hexcc2766

13379430 has 32 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 3506912.

The previous prime is 13379417. The next prime is 13379437. The reversal of 13379430 is 3497331.

13379430 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010 + ... + 5549.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 213379430 is an apocalyptic number.

13379430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13379430 is an abundant number, since it is smaller than the sum of its proper divisors (19279770).

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

13379430 is a wasteful number, since it uses less digits than its factorization.

13379430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 13379430 is about 3657.7903165709. The cubic root of 13379430 is about 237.3991741923.

The spelling of 13379430 in words is "thirteen million, three hundred seventy-nine thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 7559 15118 22677 37795 45354 75590 113385 226770 445981 891962 1337943 2229905 2675886 4459810 6689715 13379430