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15130169 = 19976031
BaseRepresentation
bin111001101101…
…111000111001
31001110200200122
4321231320321
512333131134
61300143025
7242414165
oct71557071
931420618
1015130169
1185a457a
125097a75
133199982
14201bca5
1514dd02e
hexe6de39

15130169 has 4 divisors (see below), whose sum is σ = 15206400. Its totient is φ = 15053940.

The previous prime is 15130163. The next prime is 15130183. The reversal of 15130169 is 96103151.

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.

It is a cyclic number.

It is not a de Polignac number, because 15130169 - 28 = 15129913 is a prime.

It is a super-2 number, since 2×151301692 = 457844027937122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15130163) 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, 37817 + ... + 38214.

It is an arithmetic number, because the mean of its divisors is an integer number (3801600).

Almost surely, 215130169 is an apocalyptic number.

It is an amenable number.

15130169 is a deficient number, since it is larger than the sum of its proper divisors (76231).

15130169 is an equidigital number, since it uses as much as digits as its factorization.

15130169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76230.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 15130169 is about 3889.7517915672. The cubic root of 15130169 is about 247.3325412138.

The spelling of 15130169 in words is "fifteen million, one hundred thirty thousand, one hundred sixty-nine".

Divisors: 1 199 76031 15130169