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14989747 = 73205339
BaseRepresentation
bin111001001011…
…100110110011
31001012120001211
4321023212303
512314132442
61253140551
7241260613
oct71134663
931176054
1014989747
118509023
12502a757
13314aa96
141dc2a43
1514b1617
hexe4b9b3

14989747 has 4 divisors (see below), whose sum is σ = 15195160. Its totient is φ = 14784336.

The previous prime is 14989687. The next prime is 14989811. The reversal of 14989747 is 74798941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14989747 - 215 = 14956979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14989747.

It is not an unprimeable number, because it can be changed into a prime (14989147) 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, 102597 + ... + 102742.

It is an arithmetic number, because the mean of its divisors is an integer number (3798790).

Almost surely, 214989747 is an apocalyptic number.

14989747 is a deficient number, since it is larger than the sum of its proper divisors (205413).

14989747 is an equidigital number, since it uses as much as digits as its factorization.

14989747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205412.

The product of its digits is 508032, while the sum is 49.

The square root of 14989747 is about 3871.6594633309. The cubic root of 14989747 is about 246.5650033533.

The spelling of 14989747 in words is "fourteen million, nine hundred eighty-nine thousand, seven hundred forty-seven".

Divisors: 1 73 205339 14989747