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13694385 = 35912959
BaseRepresentation
bin110100001111…
…010110110001
3221202202011110
4310033112301
512001210020
61205303533
7224254215
oct64172661
927682143
1013694385
117803881
124704ba9
132ab62b3
141b66945
1513078e0
hexd0f5b1

13694385 has 8 divisors (see below), whose sum is σ = 21911040. Its totient is φ = 7303664.

The previous prime is 13694381. The next prime is 13694399. The reversal of 13694385 is 58349631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13694385 - 22 = 13694381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13694381) 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 7 ways as a sum of consecutive naturals, for example, 456465 + ... + 456494.

It is an arithmetic number, because the mean of its divisors is an integer number (2738880).

Almost surely, 213694385 is an apocalyptic number.

13694385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13694385 is a deficient number, since it is larger than the sum of its proper divisors (8216655).

13694385 is an equidigital number, since it uses as much as digits as its factorization.

13694385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912967.

The product of its digits is 77760, while the sum is 39.

The square root of 13694385 is about 3700.5925201243. The cubic root of 13694385 is about 239.2475566138.

The spelling of 13694385 in words is "thirteen million, six hundred ninety-four thousand, three hundred eighty-five".

Divisors: 1 3 5 15 912959 2738877 4564795 13694385