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13249146 = 234095399
BaseRepresentation
bin110010100010…
…101001111010
3220221010102010
4302202221322
511342433041
61151550350
7220421151
oct62425172
926833363
1013249146
11752a309
12452b3b6
13298b741
141a8c598
15126aa16
hexca2a7a

13249146 has 16 divisors (see below), whose sum is σ = 26568000. Its totient is φ = 4404768.

The previous prime is 13249141. The next prime is 13249147. The reversal of 13249146 is 64194231.

13249146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13249141) 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, 246 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500).

Almost surely, 213249146 is an apocalyptic number.

13249146 is an abundant number, since it is smaller than the sum of its proper divisors (13318854).

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

13249146 is a wasteful number, since it uses less digits than its factorization.

13249146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813.

The product of its digits is 5184, while the sum is 30.

The square root of 13249146 is about 3639.9376368284. The cubic root of 13249146 is about 236.6260905993.

The spelling of 13249146 in words is "thirteen million, two hundred forty-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 409 818 1227 2454 5399 10798 16197 32394 2208191 4416382 6624573 13249146