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13909002 = 2353191229
BaseRepresentation
bin110101000011…
…110000001010
3222011122120020
4311003300022
512030042002
61214041310
7226140012
oct65036012
928148506
1013909002
117940048
1247a9236
132b5cba3
141bc0c42
15134b2bc
hexd43c0a

13909002 has 32 divisors (see below), whose sum is σ = 28615680. Its totient is φ = 4505280.

The previous prime is 13908967. The next prime is 13909019. The reversal of 13909002 is 20090931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60624 + ... + 60852.

It is an arithmetic number, because the mean of its divisors is an integer number (894240).

Almost surely, 213909002 is an apocalyptic number.

13909002 is an abundant number, since it is smaller than the sum of its proper divisors (14706678).

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

13909002 is a wasteful number, since it uses less digits than its factorization.

13909002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 13909002 is about 3729.4774432888. The cubic root of 13909002 is about 240.4909049224.

Adding to 13909002 its reverse (20090931), we get a palindrome (33999933).

The spelling of 13909002 in words is "thirteen million, nine hundred nine thousand, two".

Divisors: 1 2 3 6 53 106 159 191 229 318 382 458 573 687 1146 1374 10123 12137 20246 24274 30369 36411 43739 60738 72822 87478 131217 262434 2318167 4636334 6954501 13909002