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13954769 is a prime number
BaseRepresentation
bin110101001110…
…111011010001
3222020222100022
4311032323101
512033023034
61215033225
7226420313
oct65167321
928228308
1013954769
117971474
12480b815
132b7797a
141bd37b3
151359b2e
hexd4eed1

13954769 has 2 divisors, whose sum is σ = 13954770. Its totient is φ = 13954768.

The previous prime is 13954763. The next prime is 13954783. The reversal of 13954769 is 96745931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 1795600 = 3487^2 + 1340^2 .

It is an emirp because it is prime and its reverse (96745931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13954769 - 220 = 12906193 is a prime.

It is a super-2 number, since 2×139547692 = 389471155686722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13954763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6977384 + 6977385.

It is an arithmetic number, because the mean of its divisors is an integer number (6977385).

Almost surely, 213954769 is an apocalyptic number.

It is an amenable number.

13954769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13954769 is an equidigital number, since it uses as much as digits as its factorization.

13954769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 13954769 is about 3735.6082503389. The cubic root of 13954769 is about 240.7543912859.

The spelling of 13954769 in words is "thirteen million, nine hundred fifty-four thousand, seven hundred sixty-nine".