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14285213 = 831091579
BaseRepresentation
bin110110011111…
…100110011101
3222212202121222
4312133212131
512124111323
61230103125
7232264565
oct66374635
928782558
1014285213
118077768
12494aaa5
132c621b7
141c7bda5
1513c29c8
hexd9f99d

14285213 has 8 divisors (see below), whose sum is σ = 14599200. Its totient is φ = 13974768.

The previous prime is 14285177. The next prime is 14285221. The reversal of 14285213 is 31258241.

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 14285213 - 26 = 14285149 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 (14285263) 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, 8258 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (1824900).

Almost surely, 214285213 is an apocalyptic number.

It is an amenable number.

14285213 is a deficient number, since it is larger than the sum of its proper divisors (313987).

14285213 is a wasteful number, since it uses less digits than its factorization.

14285213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its digits is 1920, while the sum is 26.

The square root of 14285213 is about 3779.5784156437. The cubic root of 14285213 is about 242.6399121757.

The spelling of 14285213 in words is "fourteen million, two hundred eighty-five thousand, two hundred thirteen".

Divisors: 1 83 109 1579 9047 131057 172111 14285213