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13739441 = 23597367
BaseRepresentation
bin110100011010…
…010110110001
3221212000222012
4310122112301
512004130231
61210252305
7224532452
oct64322661
927760865
1013739441
117834711
124727095
132b00961
141b79129
151315e2b
hexd1a5b1

13739441 has 4 divisors (see below), whose sum is σ = 14336832. Its totient is φ = 13142052.

The previous prime is 13739419. The next prime is 13739447. The reversal of 13739441 is 14493731.

13739441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14493731 = 72070533.

It is a cyclic number.

It is not a de Polignac number, because 13739441 - 26 = 13739377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13739398 and 13739407.

It is not an unprimeable number, because it can be changed into a prime (13739447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298661 + ... + 298706.

It is an arithmetic number, because the mean of its divisors is an integer number (3584208).

Almost surely, 213739441 is an apocalyptic number.

It is an amenable number.

13739441 is a deficient number, since it is larger than the sum of its proper divisors (597391).

13739441 is an equidigital number, since it uses as much as digits as its factorization.

13739441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597390.

The product of its digits is 9072, while the sum is 32.

The square root of 13739441 is about 3706.6751948343. The cubic root of 13739441 is about 239.5096527825.

The spelling of 13739441 in words is "thirteen million, seven hundred thirty-nine thousand, four hundred forty-one".

Divisors: 1 23 597367 13739441