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15340135 = 53068027
BaseRepresentation
bin111010100001…
…001001100111
31001212100201011
4322201021213
512411341020
61304443051
7244250266
oct72411147
931770634
1015340135
1187282a8
125179487
133241405
1420745dd
15153035a
hexea1267

15340135 has 4 divisors (see below), whose sum is σ = 18408168. Its totient is φ = 12272104.

The previous prime is 15340123. The next prime is 15340139. The reversal of 15340135 is 53104351.

It is a happy number.

15340135 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 an emirpimes, since its reverse is a distinct semiprime: 53104351 = 137387623.

It is a cyclic number.

It is not a de Polignac number, because 15340135 - 27 = 15340007 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 (15340139) 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, 1534009 + ... + 1534018.

It is an arithmetic number, because the mean of its divisors is an integer number (4602042).

Almost surely, 215340135 is an apocalyptic number.

15340135 is a deficient number, since it is larger than the sum of its proper divisors (3068033).

15340135 is an equidigital number, since it uses as much as digits as its factorization.

15340135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068032.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 15340135 is about 3916.6484396739. The cubic root of 15340135 is about 248.4713924859.

Adding to 15340135 its reverse (53104351), we get a palindrome (68444486).

The spelling of 15340135 in words is "fifteen million, three hundred forty thousand, one hundred thirty-five".

Divisors: 1 5 3068027 15340135