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13253352 = 233778889
BaseRepresentation
bin110010100011…
…101011101000
3220221100011220
4302203223220
511343101402
61152022040
7220436340
oct62435350
926840156
1013253352
117532492
124531920
132990628
141a8dd20
15126bdbc
hexca3ae8

13253352 has 32 divisors (see below), whose sum is σ = 37867200. Its totient is φ = 3786624.

The previous prime is 13253351. The next prime is 13253381. The reversal of 13253352 is 25335231.

It is a happy number.

13253352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13253351) 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, 39277 + ... + 39612.

It is an arithmetic number, because the mean of its divisors is an integer number (1183350).

Almost surely, 213253352 is an apocalyptic number.

13253352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13253352 is an abundant number, since it is smaller than the sum of its proper divisors (24613848).

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

13253352 is a wasteful number, since it uses less digits than its factorization.

13253352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78905 (or 78901 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 13253352 is about 3640.5153481341. The cubic root of 13253352 is about 236.6511272832.

Adding to 13253352 its reverse (25335231), we get a palindrome (38588583).

The spelling of 13253352 in words is "thirteen million, two hundred fifty-three thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 78889 157778 236667 315556 473334 552223 631112 946668 1104446 1656669 1893336 2208892 3313338 4417784 6626676 13253352