Search a number
-
+
14251431 = 34750477
BaseRepresentation
bin110110010111…
…010110100111
3222211001021210
4312113112213
512122021211
61225242503
7232064235
oct66272647
928731253
1014251431
118054347
124933433
132c4c9cc
141c6d955
1513b79a6
hexd975a7

14251431 has 4 divisors (see below), whose sum is σ = 19001912. Its totient is φ = 9500952.

The previous prime is 14251411. The next prime is 14251451. The reversal of 14251431 is 13415241.

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

It is an interprime number because it is at equal distance from previous prime (14251411) and next prime (14251451).

It is not a de Polignac number, because 14251431 - 25 = 14251399 is a prime.

It is a super-2 number, since 2×142514312 = 406206571095522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14251398 and 14251407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14251411) 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, 2375236 + ... + 2375241.

It is an arithmetic number, because the mean of its divisors is an integer number (4750478).

Almost surely, 214251431 is an apocalyptic number.

14251431 is a deficient number, since it is larger than the sum of its proper divisors (4750481).

14251431 is an equidigital number, since it uses as much as digits as its factorization.

14251431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750480.

The product of its digits is 480, while the sum is 21.

The square root of 14251431 is about 3775.1067534574. The cubic root of 14251431 is about 242.4484943931.

Adding to 14251431 its reverse (13415241), we get a palindrome (27666672).

The spelling of 14251431 in words is "fourteen million, two hundred fifty-one thousand, four hundred thirty-one".

Divisors: 1 3 4750477 14251431