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13793642 = 27394477
BaseRepresentation
bin110100100111…
…100101101010
3221221210022122
4310213211222
512012344032
61211351242
7225146462
oct64474552
927853278
1013793642
117871405
124752522
132b1c525
141b90ba2
151327012
hexd2796a

13793642 has 8 divisors (see below), whose sum is σ = 20974116. Its totient is φ = 6802272.

The previous prime is 13793641. The next prime is 13793651. The reversal of 13793642 is 24639731.

It can be written as a sum of positive squares in 2 ways, for example, as 12327121 + 1466521 = 3511^2 + 1211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13793641) 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, 47093 + ... + 47384.

Almost surely, 213793642 is an apocalyptic number.

13793642 is a deficient number, since it is larger than the sum of its proper divisors (7180474).

13793642 is an equidigital number, since it uses as much as digits as its factorization.

13793642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94552.

The product of its digits is 27216, while the sum is 35.

The square root of 13793642 is about 3713.9792675781. The cubic root of 13793642 is about 239.8241883705.

The spelling of 13793642 in words is "thirteen million, seven hundred ninety-three thousand, six hundred forty-two".

Divisors: 1 2 73 146 94477 188954 6896821 13793642