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13103924 = 229733773
BaseRepresentation
bin110001111111…
…001100110100
3220122202012112
4301333030310
511323311144
61144510152
7216244601
oct61771464
926582175
1013103924
117440199
12447b358
13293a602
141a516a8
15123c99e
hexc7f334

13103924 has 12 divisors (see below), whose sum is σ = 23168964. Its totient is φ = 6484224.

The previous prime is 13103921. The next prime is 13103933. The reversal of 13103924 is 42930131.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 6250000 = 2618^2 + 2500^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13103924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103921) 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, 16499 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (1930747).

Almost surely, 213103924 is an apocalyptic number.

It is an amenable number.

13103924 is a deficient number, since it is larger than the sum of its proper divisors (10065040).

13103924 is a wasteful number, since it uses less digits than its factorization.

13103924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33874 (or 33872 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13103924 is about 3619.9342535466. The cubic root of 13103924 is about 235.7583709051.

The spelling of 13103924 in words is "thirteen million, one hundred three thousand, nine hundred twenty-four".

Divisors: 1 2 4 97 194 388 33773 67546 135092 3275981 6551962 13103924