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13952947 is a prime number
BaseRepresentation
bin110101001110…
…011110110011
3222020212211211
4311032132303
512032443242
61215020551
7226412101
oct65163663
928225754
1013952947
117970068
12480a757
132b76ba8
141bd2c71
151359317
hexd4e7b3

13952947 has 2 divisors, whose sum is σ = 13952948. Its totient is φ = 13952946.

The previous prime is 13952929. The next prime is 13952999. The reversal of 13952947 is 74925931.

It is a weak prime.

It is an emirp because it is prime and its reverse (74925931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13952947 - 27 = 13952819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13956947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6976473 + 6976474.

It is an arithmetic number, because the mean of its divisors is an integer number (6976474).

Almost surely, 213952947 is an apocalyptic number.

13952947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13952947 is an equidigital number, since it uses as much as digits as its factorization.

13952947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 13952947 is about 3735.3643731235. The cubic root of 13952947 is about 240.7439128228.

The spelling of 13952947 in words is "thirteen million, nine hundred fifty-two thousand, nine hundred forty-seven".