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14979155 = 52995831
BaseRepresentation
bin111001001001…
…000001010011
31001012000112112
4321021001103
512313313110
61253015535
7241215002
oct71110123
931160475
1014979155
118501074
1250245ab
133146009
141dbcc39
1514ad405
hexe49053

14979155 has 4 divisors (see below), whose sum is σ = 17974992. Its totient is φ = 11983320.

The previous prime is 14979143. The next prime is 14979157. The reversal of 14979155 is 55197941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55197941 = 181304961.

It is not a de Polignac number, because 14979155 - 218 = 14717011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14979157) 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, 1497911 + ... + 1497920.

It is an arithmetic number, because the mean of its divisors is an integer number (4493748).

Almost surely, 214979155 is an apocalyptic number.

14979155 is a deficient number, since it is larger than the sum of its proper divisors (2995837).

14979155 is an equidigital number, since it uses as much as digits as its factorization.

14979155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995836.

The product of its digits is 56700, while the sum is 41.

The square root of 14979155 is about 3870.2913327035. The cubic root of 14979155 is about 246.5069140497.

The spelling of 14979155 in words is "fourteen million, nine hundred seventy-nine thousand, one hundred fifty-five".

Divisors: 1 5 2995831 14979155