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14988115 = 52997623
BaseRepresentation
bin111001001011…
…001101010011
31001012110211101
4321023031103
512314104430
61253125231
7241253062
oct71131523
931173741
1014988115
11850787a
125029817
13314a10c
141dc21d9
1514b0dca
hexe4b353

14988115 has 4 divisors (see below), whose sum is σ = 17985744. Its totient is φ = 11990488.

The previous prime is 14988089. The next prime is 14988119. The reversal of 14988115 is 51188941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51188941 = 71720971.

It is a cyclic number.

It is not a de Polignac number, because 14988115 - 217 = 14857043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14988119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498807 + ... + 1498816.

It is an arithmetic number, because the mean of its divisors is an integer number (4496436).

Almost surely, 214988115 is an apocalyptic number.

14988115 is a deficient number, since it is larger than the sum of its proper divisors (2997629).

14988115 is an equidigital number, since it uses as much as digits as its factorization.

14988115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997628.

The product of its digits is 11520, while the sum is 37.

The square root of 14988115 is about 3871.4486952561. The cubic root of 14988115 is about 246.5560548214.

The spelling of 14988115 in words is "fourteen million, nine hundred eighty-eight thousand, one hundred fifteen".

Divisors: 1 5 2997623 14988115