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13002234 = 237309577
BaseRepresentation
bin110001100110…
…010111111010
3220110120201020
4301212113322
511312032414
61142403310
7215342250
oct61462772
926416636
1013002234
117380853
124430536
13290323b
141a265d0
15121c7a9
hexc665fa

13002234 has 16 divisors (see below), whose sum is σ = 29719488. Its totient is φ = 3714912.

The previous prime is 13002233. The next prime is 13002239. The reversal of 13002234 is 43220031.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13002233) 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, 154747 + ... + 154830.

It is an arithmetic number, because the mean of its divisors is an integer number (1857468).

Almost surely, 213002234 is an apocalyptic number.

13002234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13002234 is an abundant number, since it is smaller than the sum of its proper divisors (16717254).

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

13002234 is a wasteful number, since it uses less digits than its factorization.

13002234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309589.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13002234 is about 3605.8610622152. The cubic root of 13002234 is about 235.1469369280.

Adding to 13002234 its reverse (43220031), we get a palindrome (56222265).

The spelling of 13002234 in words is "thirteen million, two thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 309577 619154 928731 1857462 2167039 4334078 6501117 13002234