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13694493 = 34564831
BaseRepresentation
bin110100001111…
…011000011101
3221202202022110
4310033120131
512001210433
61205304233
7224254431
oct64173035
927682273
1013694493
11780396a
124705079
132ab6367
141b669c1
151307963
hexd0f61d

13694493 has 4 divisors (see below), whose sum is σ = 18259328. Its totient is φ = 9129660.

The previous prime is 13694479. The next prime is 13694543. The reversal of 13694493 is 39449631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13694493 - 216 = 13628957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13694423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282413 + ... + 2282418.

It is an arithmetic number, because the mean of its divisors is an integer number (4564832).

Almost surely, 213694493 is an apocalyptic number.

It is an amenable number.

13694493 is a deficient number, since it is larger than the sum of its proper divisors (4564835).

13694493 is an equidigital number, since it uses as much as digits as its factorization.

13694493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564834.

The product of its digits is 69984, while the sum is 39.

The square root of 13694493 is about 3700.6071123533. The cubic root of 13694493 is about 239.2481855496.

The spelling of 13694493 in words is "thirteen million, six hundred ninety-four thousand, four hundred ninety-three".

Divisors: 1 3 4564831 13694493