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14271907 = 131957781
BaseRepresentation
bin110110011100…
…010110100011
3222212002101011
4312130112203
512123200112
61225521351
7232211026
oct66342643
928762334
1014271907
118068771
124943257
132c59120
141c771bd
1513bdaa7
hexd9c5a3

14271907 has 8 divisors (see below), whose sum is σ = 16178960. Its totient is φ = 12480480.

The previous prime is 14271889. The next prime is 14271911. The reversal of 14271907 is 70917241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14271907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14274907) 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 7 ways as a sum of consecutive naturals, for example, 28644 + ... + 29137.

It is an arithmetic number, because the mean of its divisors is an integer number (2022370).

Almost surely, 214271907 is an apocalyptic number.

14271907 is a deficient number, since it is larger than the sum of its proper divisors (1907053).

14271907 is a wasteful number, since it uses less digits than its factorization.

14271907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57813.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 14271907 is about 3777.8177563244. The cubic root of 14271907 is about 242.5645529071.

The spelling of 14271907 in words is "fourteen million, two hundred seventy-one thousand, nine hundred seven".

Divisors: 1 13 19 247 57781 751153 1097839 14271907