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13489874 = 217439227
BaseRepresentation
bin110011011101…
…011011010010
3221101100121222
4303131123102
511423133444
61201045042
7222443036
oct63353322
927340558
1013489874
117684162
124626782
132a44198
141b121c6
1512b6eee
hexcdd6d2

13489874 has 16 divisors (see below), whose sum is σ = 21925728. Its totient is φ = 6199872.

The previous prime is 13489873. The next prime is 13489909. The reversal of 13489874 is 47898431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13489873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (1370358).

Almost surely, 213489874 is an apocalyptic number.

13489874 is a deficient number, since it is larger than the sum of its proper divisors (8435854).

13489874 is a wasteful number, since it uses less digits than its factorization.

13489874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289.

The product of its digits is 193536, while the sum is 44.

The square root of 13489874 is about 3672.8563816191. The cubic root of 13489874 is about 238.0506094855.

The spelling of 13489874 in words is "thirteen million, four hundred eighty-nine thousand, eight hundred seventy-four".

Divisors: 1 2 17 34 43 86 731 1462 9227 18454 156859 313718 396761 793522 6744937 13489874