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13442052 = 22313199433
BaseRepresentation
bin110011010001…
…110000000100
3221021221000210
4303101300010
511420121202
61200035420
7222153441
oct63216004
927257023
1013442052
117651238
124602b70
132a284a0
141adc9c8
1512a7c6c
hexcd1c04

13442052 has 48 divisors (see below), whose sum is σ = 34025600. Its totient is φ = 4105728.

The previous prime is 13442017. The next prime is 13442057. The reversal of 13442052 is 25024431.

It is not an unprimeable number, because it can be changed into a prime (13442057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30828 + ... + 31260.

Almost surely, 213442052 is an apocalyptic number.

13442052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13442052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17012800).

13442052 is an abundant number, since it is smaller than the sum of its proper divisors (20583548).

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

13442052 is a wasteful number, since it uses less digits than its factorization.

13442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13442052 is about 3666.3404097274. The cubic root of 13442052 is about 237.7689776216.

Adding to 13442052 its reverse (25024431), we get a palindrome (38466483).

The spelling of 13442052 in words is "thirteen million, four hundred forty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 199 398 433 597 796 866 1194 1299 1732 2388 2587 2598 5174 5196 5629 7761 10348 11258 15522 16887 22516 31044 33774 67548 86167 172334 258501 344668 517002 1034004 1120171 2240342 3360513 4480684 6721026 13442052