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14857393 = 89971721
BaseRepresentation
bin111000101011…
…010010110001
31000221211111211
4320223102301
512300414033
61250240121
7240200005
oct70532261
930854454
1014857393
118428641
124b86041
133102775
141d8a705
1514872cd
hexe2b4b1

14857393 has 8 divisors (see below), whose sum is σ = 15188040. Its totient is φ = 14530560.

The previous prime is 14857391. The next prime is 14857397. The reversal of 14857393 is 39375841.

14857393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1520289 + 13337104 = 1233^2 + 3652^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14857393 - 21 = 14857391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14857391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7773 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (1898505).

Almost surely, 214857393 is an apocalyptic number.

It is an amenable number.

14857393 is a deficient number, since it is larger than the sum of its proper divisors (330647).

14857393 is an equidigital number, since it uses as much as digits as its factorization.

14857393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its digits is 90720, while the sum is 40.

The square root of 14857393 is about 3854.5288946900. The cubic root of 14857393 is about 245.8371639226.

The spelling of 14857393 in words is "fourteen million, eight hundred fifty-seven thousand, three hundred ninety-three".

Divisors: 1 89 97 1721 8633 153169 166937 14857393