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13270044 = 2235918743
BaseRepresentation
bin110010100111…
…110000011100
3220222012002010
4302213300130
511344120134
61152231220
7220536114
oct62476034
926865063
1013270044
117543a87
12453b510
1329980c8
141a96044
151271ce9
hexca7c1c

13270044 has 24 divisors (see below), whose sum is σ = 31489920. Its totient is φ = 4348144.

The previous prime is 13270021. The next prime is 13270051. The reversal of 13270044 is 44007231.

13270044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13270044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8664 + ... + 10079.

It is an arithmetic number, because the mean of its divisors is an integer number (1312080).

Almost surely, 213270044 is an apocalyptic number.

It is an amenable number.

13270044 is an abundant number, since it is smaller than the sum of its proper divisors (18219876).

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

13270044 is a wasteful number, since it uses less digits than its factorization.

13270044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18809 (or 18807 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 13270044 is about 3642.8071593210. The cubic root of 13270044 is about 236.7504360824.

Adding to 13270044 its reverse (44007231), we get a palindrome (57277275).

The spelling of 13270044 in words is "thirteen million, two hundred seventy thousand, forty-four".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 18743 37486 56229 74972 112458 224916 1105837 2211674 3317511 4423348 6635022 13270044