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14266421 = 136771621
BaseRepresentation
bin110110011011…
…000000110101
3222211210211222
4312123000311
512123011141
61225440125
7232156031
oct66330065
928753758
1014266421
118064634
124940045
132c56790
141c751c1
1513bc14b
hexd9b035

14266421 has 8 divisors (see below), whose sum is σ = 15396024. Its totient is φ = 13141440.

The previous prime is 14266403. The next prime is 14266453. The reversal of 14266421 is 12466241.

14266421 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 5827396 + 8439025 = 2414^2 + 2905^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-14266421 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 (14266481) 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, 7991 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (1924503).

Almost surely, 214266421 is an apocalyptic number.

It is an amenable number.

14266421 is a deficient number, since it is larger than the sum of its proper divisors (1129603).

14266421 is a wasteful number, since it uses less digits than its factorization.

14266421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its digits is 2304, while the sum is 26.

The square root of 14266421 is about 3777.0916059847. The cubic root of 14266421 is about 242.5334690051.

The spelling of 14266421 in words is "fourteen million, two hundred sixty-six thousand, four hundred twenty-one".

Divisors: 1 13 677 1621 8801 21073 1097417 14266421