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13959306 = 232775517
BaseRepresentation
bin110101010000…
…000010001010
3222021012120100
4311100002022
512033144211
61215110230
7226436454
oct65200212
928235510
1013959306
117974919
124812376
132b79a5a
141bd52d4
15135b156
hexd5008a

13959306 has 12 divisors (see below), whose sum is σ = 30245202. Its totient is φ = 4653096.

The previous prime is 13959289. The next prime is 13959307. The reversal of 13959306 is 60395931.

It can be written as a sum of positive squares in only one way, i.e., 9979281 + 3980025 = 3159^2 + 1995^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13959307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387741 + ... + 387776.

Almost surely, 213959306 is an apocalyptic number.

13959306 is an abundant number, since it is smaller than the sum of its proper divisors (16285896).

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

13959306 is a wasteful number, since it uses less digits than its factorization.

13959306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775525 (or 775522 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 13959306 is about 3736.2154648789. The cubic root of 13959306 is about 240.7804799613.

It can be divided in two parts, 1395 and 9306, that added together give a palindrome (10701).

The spelling of 13959306 in words is "thirteen million, nine hundred fifty-nine thousand, three hundred six".

Divisors: 1 2 3 6 9 18 775517 1551034 2326551 4653102 6979653 13959306