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14857390 = 251485739
BaseRepresentation
bin111000101011…
…010010101110
31000221211111201
4320223102232
512300414030
61250240114
7240200002
oct70532256
930854451
1014857390
118428639
124b8603a
133102772
141d8a702
1514872ca
hexe2b4ae

14857390 has 8 divisors (see below), whose sum is σ = 26743320. Its totient is φ = 5942952.

The previous prime is 14857363. The next prime is 14857391. The reversal of 14857390 is 9375841.

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

It is a super-2 number, since 2×148573902 = 441484075224200, which contains 22 as substring.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742860 + ... + 742879.

It is an arithmetic number, because the mean of its divisors is an integer number (3342915).

Almost surely, 214857390 is an apocalyptic number.

14857390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14857390 is a deficient number, since it is larger than the sum of its proper divisors (11885930).

14857390 is a wasteful number, since it uses less digits than its factorization.

14857390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485746.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 14857390 is about 3854.5285055374. The cubic root of 14857390 is about 245.8371473761.

The spelling of 14857390 in words is "fourteen million, eight hundred fifty-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 1485739 2971478 7428695 14857390