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14392957 = 97148381
BaseRepresentation
bin110110111001…
…111001111101
31000002020102111
4312321321331
512141033312
61232254021
7233223655
oct66717175
930066374
1014392957
118140707
1249a1311
132c9c257
141ca9365
1513e48a7
hexdb9e7d

14392957 has 4 divisors (see below), whose sum is σ = 14541436. Its totient is φ = 14244480.

The previous prime is 14392949. The next prime is 14392979. The reversal of 14392957 is 75929341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75929341 = 233325877.

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 10929636 = 1861^2 + 3306^2 .

It is a cyclic number.

It is not a de Polignac number, because 14392957 - 23 = 14392949 is a prime.

It is a super-2 number, since 2×143929572 = 414314422407698, 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 (14393957) 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 3 ways as a sum of consecutive naturals, for example, 74094 + ... + 74287.

It is an arithmetic number, because the mean of its divisors is an integer number (3635359).

Almost surely, 214392957 is an apocalyptic number.

It is an amenable number.

14392957 is a deficient number, since it is larger than the sum of its proper divisors (148479).

14392957 is an equidigital number, since it uses as much as digits as its factorization.

14392957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148478.

The product of its digits is 68040, while the sum is 40.

The square root of 14392957 is about 3793.8050819725. The cubic root of 14392957 is about 243.2484095133.

The spelling of 14392957 in words is "fourteen million, three hundred ninety-two thousand, nine hundred fifty-seven".

Divisors: 1 97 148381 14392957