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13745465 = 52749093
BaseRepresentation
bin110100011011…
…110100111001
3221212100020022
4310123310321
512004323330
61210340225
7224556146
oct64336471
927770208
1013745465
117839198
12472a675
132b03616
141b7b3cd
151317ae5
hexd1bd39

13745465 has 4 divisors (see below), whose sum is σ = 16494564. Its totient is φ = 10996368.

The previous prime is 13745461. The next prime is 13745489. The reversal of 13745465 is 56454731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56454731 = 68382657.

It can be written as a sum of positive squares in 2 ways, for example, as 9114361 + 4631104 = 3019^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 13745465 - 22 = 13745461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13745461) 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, 1374542 + ... + 1374551.

It is an arithmetic number, because the mean of its divisors is an integer number (4123641).

Almost surely, 213745465 is an apocalyptic number.

It is an amenable number.

13745465 is a deficient number, since it is larger than the sum of its proper divisors (2749099).

13745465 is an equidigital number, since it uses as much as digits as its factorization.

13745465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749098.

The product of its digits is 50400, while the sum is 35.

The square root of 13745465 is about 3707.4876938434. The cubic root of 13745465 is about 239.5446516672.

The spelling of 13745465 in words is "thirteen million, seven hundred forty-five thousand, four hundred sixty-five".

Divisors: 1 5 2749093 13745465