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13074444 = 2232363179
BaseRepresentation
bin110001111000…
…000000001100
3220121020202200
4301320000030
511321340234
61144121500
7216062625
oct61700014
926536680
1013074444
117420029
124466290
13292a076
141a44a4c
151233d99
hexc7800c

13074444 has 18 divisors (see below), whose sum is σ = 33049380. Its totient is φ = 4358136.

The previous prime is 13074433. The next prime is 13074463. The reversal of 13074444 is 44447031.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181554 + ... + 181625.

Almost surely, 213074444 is an apocalyptic number.

It is an amenable number.

13074444 is an abundant number, since it is smaller than the sum of its proper divisors (19974936).

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

13074444 is a wasteful number, since it uses less digits than its factorization.

13074444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363189 (or 363184 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 13074444 is about 3615.8600636640. The cubic root of 13074444 is about 235.5814423444.

The spelling of 13074444 in words is "thirteen million, seventy-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 363179 726358 1089537 1452716 2179074 3268611 4358148 6537222 13074444