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13023052 = 227479971
BaseRepresentation
bin110001101011…
…011101001100
3220111122021021
4301223131030
511313214202
61143043524
7215460040
oct61533514
926448237
1013023052
117395459
1244405a4
13290c863
141a30020
151223a37
hexc6b74c

13023052 has 24 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 5563920.

The previous prime is 13023029. The next prime is 13023053. The reversal of 13023052 is 25032031.

It is not an unprimeable number, because it can be changed into a prime (13023053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12927 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 213023052 is an apocalyptic number.

It is an amenable number.

13023052 is an abundant number, since it is smaller than the sum of its proper divisors (13104308).

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

13023052 is a wasteful number, since it uses less digits than its factorization.

13023052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13023052 is about 3608.7465968117. The cubic root of 13023052 is about 235.2723686711.

Adding to 13023052 its reverse (25032031), we get a palindrome (38055083).

The spelling of 13023052 in words is "thirteen million, twenty-three thousand, fifty-two".

Divisors: 1 2 4 7 14 28 479 958 971 1916 1942 3353 3884 6706 6797 13412 13594 27188 465109 930218 1860436 3255763 6511526 13023052