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14691401 = 47312583
BaseRepresentation
bin111000000010…
…110001001001
31000122101210222
4320002301021
512230111101
61242515425
7235606034
oct70026111
930571728
1014691401
11832495a
124b05b75
13307504a
141d4601b
15145301b
hexe02c49

14691401 has 4 divisors (see below), whose sum is σ = 15004032. Its totient is φ = 14378772.

The previous prime is 14691367. The next prime is 14691403. The reversal of 14691401 is 10419641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10419641 = 53196597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14691401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14691403) 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, 156245 + ... + 156338.

It is an arithmetic number, because the mean of its divisors is an integer number (3751008).

Almost surely, 214691401 is an apocalyptic number.

It is an amenable number.

14691401 is a deficient number, since it is larger than the sum of its proper divisors (312631).

14691401 is an equidigital number, since it uses as much as digits as its factorization.

14691401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312630.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 14691401 is about 3832.9363417620. The cubic root of 14691401 is about 244.9182067655.

The spelling of 14691401 in words is "fourteen million, six hundred ninety-one thousand, four hundred one".

Divisors: 1 47 312583 14691401