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13960641 = 34653547
BaseRepresentation
bin110101010000…
…010111000001
3222021021101210
4311100113001
512033220031
61215120333
7226443402
oct65202701
928237353
1013960641
117975922
1248130a9
132b7a546
141bd59a9
15135b746
hexd505c1

13960641 has 4 divisors (see below), whose sum is σ = 18614192. Its totient is φ = 9307092.

The previous prime is 13960631. The next prime is 13960651. The reversal of 13960641 is 14606931.

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: 14606931 = 34868977.

It is an interprime number because it is at equal distance from previous prime (13960631) and next prime (13960651).

It is not a de Polignac number, because 13960641 - 26 = 13960577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13960599 and 13960608.

It is not an unprimeable number, because it can be changed into a prime (13960631) 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, 2326771 + ... + 2326776.

It is an arithmetic number, because the mean of its divisors is an integer number (4653548).

Almost surely, 213960641 is an apocalyptic number.

It is an amenable number.

13960641 is a deficient number, since it is larger than the sum of its proper divisors (4653551).

13960641 is an equidigital number, since it uses as much as digits as its factorization.

13960641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653550.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13960641 is about 3736.3941173276. The cubic root of 13960641 is about 240.7881554072.

The spelling of 13960641 in words is "thirteen million, nine hundred sixty thousand, six hundred forty-one".

Divisors: 1 3 4653547 13960641