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14297819 = 130310973
BaseRepresentation
bin110110100010…
…101011011011
3222220101220212
4312202223123
512130012234
61230241335
7232346414
oct66425333
928811825
1014297819
118086188
12495624b
132c67b63
141c8280b
1513c65ce
hexda2adb

14297819 has 4 divisors (see below), whose sum is σ = 14310096. Its totient is φ = 14285544.

The previous prime is 14297813. The next prime is 14297827. The reversal of 14297819 is 91879241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14297819 is a prime.

It is a super-2 number, since 2×142978192 = 408855256313522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14297813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184 + ... + 6789.

It is an arithmetic number, because the mean of its divisors is an integer number (3577524).

Almost surely, 214297819 is an apocalyptic number.

14297819 is a deficient number, since it is larger than the sum of its proper divisors (12277).

14297819 is a wasteful number, since it uses less digits than its factorization.

14297819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12276.

The product of its digits is 36288, while the sum is 41.

The square root of 14297819 is about 3781.2456942124. The cubic root of 14297819 is about 242.7112637999.

The spelling of 14297819 in words is "fourteen million, two hundred ninety-seven thousand, eight hundred nineteen".

Divisors: 1 1303 10973 14297819