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14015413 = 49928087
BaseRepresentation
bin110101011101…
…101110110101
3222101001112101
4311131232311
512041443123
61220222101
7230062156
oct65355665
928331471
1014015413
117a02a95
12483a931
132b99459
141c0b92d
15136caad
hexd5dbb5

14015413 has 4 divisors (see below), whose sum is σ = 14044000. Its totient is φ = 13986828.

The previous prime is 14015401. The next prime is 14015423. The reversal of 14015413 is 31451041.

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: 31451041 = 66147581.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14015413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14015423) 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, 13545 + ... + 14542.

It is an arithmetic number, because the mean of its divisors is an integer number (3511000).

Almost surely, 214015413 is an apocalyptic number.

It is an amenable number.

14015413 is a deficient number, since it is larger than the sum of its proper divisors (28587).

14015413 is an equidigital number, since it uses as much as digits as its factorization.

14015413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28586.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 14015413 is about 3743.7164689650. The cubic root of 14015413 is about 241.1026404623.

Adding to 14015413 its reverse (31451041), we get a palindrome (45466454).

The spelling of 14015413 in words is "fourteen million, fifteen thousand, four hundred thirteen".

Divisors: 1 499 28087 14015413