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13443342 = 2311218517
BaseRepresentation
bin110011010010…
…000100001110
3221021222210120
4303102010032
511420141332
61200045410
7222160263
oct63220416
927258716
1013443342
117652200
124603866
132a28c53
141add26a
1512a832c
hexcd210e

13443342 has 24 divisors (see below), whose sum is σ = 29554728. Its totient is φ = 4073520.

The previous prime is 13443337. The next prime is 13443343. The reversal of 13443342 is 24334431.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8533 + ... + 9984.

It is an arithmetic number, because the mean of its divisors is an integer number (1231447).

Almost surely, 213443342 is an apocalyptic number.

13443342 is an abundant number, since it is smaller than the sum of its proper divisors (16111386).

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

13443342 is a wasteful number, since it uses less digits than its factorization.

13443342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18544 (or 18533 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 13443342 is about 3666.5163302514. The cubic root of 13443342 is about 237.7765834090.

Adding to 13443342 its reverse (24334431), we get a palindrome (37777773).

The spelling of 13443342 in words is "thirteen million, four hundred forty-three thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 18517 37034 55551 111102 203687 407374 611061 1222122 2240557 4481114 6721671 13443342