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13020234 = 232170039
BaseRepresentation
bin110001101010…
…110001001010
3220111111101220
4301222301022
511313121414
61143022510
7215445603
oct61526112
926444356
1013020234
117393327
12443aa36
13290b4a6
141a2cdaa
151222ca9
hexc6ac4a

13020234 has 8 divisors (see below), whose sum is σ = 26040480. Its totient is φ = 4340076.

The previous prime is 13020233. The next prime is 13020251. The reversal of 13020234 is 43202031.

It is a sphenic number, since it is the product of 3 distinct primes.

13020234 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085014 + ... + 1085025.

It is an arithmetic number, because the mean of its divisors is an integer number (3255060).

Almost surely, 213020234 is an apocalyptic number.

13020234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13020234 is a wasteful number, since it uses less digits than its factorization.

13020234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170044.

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

The square root of 13020234 is about 3608.3561354168. The cubic root of 13020234 is about 235.2553976016.

Adding to 13020234 its reverse (43202031), we get a palindrome (56222265).

The spelling of 13020234 in words is "thirteen million, twenty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 2170039 4340078 6510117 13020234