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13047402 = 236473361
BaseRepresentation
bin110001110001…
…011001101010
3220112212200010
4301301121222
511320004102
61143352350
7215621034
oct61613152
926485603
1013047402
117401785
1244526b6
13291a974
141a38c54
15122ad6c
hexc7166a

13047402 has 16 divisors (see below), whose sum is σ = 26142912. Its totient is φ = 4341120.

The previous prime is 13047367. The next prime is 13047407. The reversal of 13047402 is 20474031.

13047402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×130474023 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13047407) 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, 2202 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (1633932).

Almost surely, 213047402 is an apocalyptic number.

13047402 is an abundant number, since it is smaller than the sum of its proper divisors (13095510).

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

13047402 is a wasteful number, since it uses less digits than its factorization.

13047402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 13047402 is about 3612.1187688115. The cubic root of 13047402 is about 235.4189117736.

It can be divided in two parts, 1 and 3047402, that added together give a palindrome (3047403).

The spelling of 13047402 in words is "thirteen million, forty-seven thousand, four hundred two".

Divisors: 1 2 3 6 647 1294 1941 3361 3882 6722 10083 20166 2174567 4349134 6523701 13047402