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13253234 = 2171073643
BaseRepresentation
bin110010100011…
…101001110010
3220221100000112
4302203221302
511343100414
61152021322
7220436111
oct62435162
926840015
1013253234
117532395
124531842
132990567
141a8dc78
15126bd3e
hexca3a72

13253234 has 16 divisors (see below), whose sum is σ = 21251808. Its totient is φ = 6176832.

The previous prime is 13253197. The next prime is 13253237. The reversal of 13253234 is 43235231.

13253234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132532342 = 351296422917512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13253237) 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, 1817 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (1328238).

Almost surely, 213253234 is an apocalyptic number.

13253234 is a deficient number, since it is larger than the sum of its proper divisors (7998574).

13253234 is a wasteful number, since it uses less digits than its factorization.

13253234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769.

The product of its digits is 2160, while the sum is 23.

The square root of 13253234 is about 3640.4991416013. The cubic root of 13253234 is about 236.6504249473.

Adding to 13253234 its reverse (43235231), we get a palindrome (56488465).

The spelling of 13253234 in words is "thirteen million, two hundred fifty-three thousand, two hundred thirty-four".

Divisors: 1 2 17 34 107 214 1819 3638 3643 7286 61931 123862 389801 779602 6626617 13253234