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14398957 = 37389161
BaseRepresentation
bin110110111011…
…010111101101
31000002112122201
4312323113231
512141231312
61232341501
7233250316
oct66732755
930075581
1014398957
118145171
1249a4891
132ca1bc1
141cab60d
1513e6557
hexdbb5ed

14398957 has 4 divisors (see below), whose sum is σ = 14788156. Its totient is φ = 14009760.

The previous prime is 14398933. The next prime is 14398961. The reversal of 14398957 is 75989341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75989341 = 193999439.

It can be written as a sum of positive squares in 2 ways, for example, as 13329801 + 1069156 = 3651^2 + 1034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14398957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14398997) 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, 194544 + ... + 194617.

It is an arithmetic number, because the mean of its divisors is an integer number (3697039).

Almost surely, 214398957 is an apocalyptic number.

It is an amenable number.

14398957 is a deficient number, since it is larger than the sum of its proper divisors (389199).

14398957 is an equidigital number, since it uses as much as digits as its factorization.

14398957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389198.

The product of its digits is 272160, while the sum is 46.

The square root of 14398957 is about 3794.5957623968. The cubic root of 14398957 is about 243.2822058509.

The spelling of 14398957 in words is "fourteen million, three hundred ninety-eight thousand, nine hundred fifty-seven".

Divisors: 1 37 389161 14398957