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14531407 = 112945553
BaseRepresentation
bin110111011011…
…101101001111
31000100021100021
4313123231033
512210001112
61235243011
7234341422
oct67335517
930307307
1014531407
118225730
124a49467
13301a287
141d039b9
151420907
hexddbb4f

14531407 has 8 divisors (see below), whose sum is σ = 16399440. Its totient is φ = 12754560.

The previous prime is 14531401. The next prime is 14531443. The reversal of 14531407 is 70413541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14531407 is a prime.

It is a super-2 number, since 2×145314072 = 422323578799298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14531401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22458 + ... + 23095.

It is an arithmetic number, because the mean of its divisors is an integer number (2049930).

Almost surely, 214531407 is an apocalyptic number.

14531407 is a deficient number, since it is larger than the sum of its proper divisors (1868033).

14531407 is a wasteful number, since it uses less digits than its factorization.

14531407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45593.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 14531407 is about 3812.0082633698. The cubic root of 14531407 is about 244.0258807538.

Adding to 14531407 its reverse (70413541), we get a palindrome (84944948).

The spelling of 14531407 in words is "fourteen million, five hundred thirty-one thousand, four hundred seven".

Divisors: 1 11 29 319 45553 501083 1321037 14531407