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14630857 = 67218371
BaseRepresentation
bin110111110011…
…111111001001
31000112022202121
4313303333021
512221141412
61241331241
7235234363
oct67637711
930468677
1014630857
11829341a
124a96b21
133053617
141d2bd33
151440107
hexdf3fc9

14630857 has 4 divisors (see below), whose sum is σ = 14849296. Its totient is φ = 14412420.

The previous prime is 14630851. The next prime is 14630867. The reversal of 14630857 is 75803641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14630857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14630851) 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, 109119 + ... + 109252.

It is an arithmetic number, because the mean of its divisors is an integer number (3712324).

Almost surely, 214630857 is an apocalyptic number.

It is an amenable number.

14630857 is a deficient number, since it is larger than the sum of its proper divisors (218439).

14630857 is an equidigital number, since it uses as much as digits as its factorization.

14630857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218438.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 14630857 is about 3825.0303266772. The cubic root of 14630857 is about 244.5813034731.

The spelling of 14630857 in words is "fourteen million, six hundred thirty thousand, eight hundred fifty-seven".

Divisors: 1 67 218371 14630857