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14879830 = 257230367
BaseRepresentation
bin111000110000…
…110001010110
31000222222021211
4320300301112
512302123310
61250532034
7240322300
oct70606126
930888254
1014879830
118443489
124b9701a
13310ca44
141d94970
15148dc8a
hexe30c56

14879830 has 24 divisors (see below), whose sum is σ = 31157568. Its totient is φ = 5101488.

The previous prime is 14879819. The next prime is 14879861. The reversal of 14879830 is 3897841.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14694 + ... + 15673.

It is an arithmetic number, because the mean of its divisors is an integer number (1298232).

Almost surely, 214879830 is an apocalyptic number.

14879830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14879830 is an abundant number, since it is smaller than the sum of its proper divisors (16277738).

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

14879830 is a wasteful number, since it uses less digits than its factorization.

14879830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30388 (or 30381 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 14879830 is about 3857.4382691107. The cubic root of 14879830 is about 245.9608526068.

It can be divided in two parts, 14 and 879830, that added together give a square (879844 = 9382).

The spelling of 14879830 in words is "fourteen million, eight hundred seventy-nine thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 30367 60734 151835 212569 303670 425138 1062845 1487983 2125690 2975966 7439915 14879830