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14391897 = 313369023
BaseRepresentation
bin110110111001…
…101001011001
31000002011222020
4312321221121
512141020042
61232245053
7233220612
oct66715131
930064866
1014391897
11813a933
1249a0789
132c9b920
141ca8c09
1513e43ec
hexdb9a59

14391897 has 8 divisors (see below), whose sum is σ = 20665344. Its totient is φ = 8856528.

The previous prime is 14391889. The next prime is 14391907. The reversal of 14391897 is 79819341.

It is a happy number.

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

It is not a de Polignac number, because 14391897 - 23 = 14391889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14391827) 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, 184473 + ... + 184550.

It is an arithmetic number, because the mean of its divisors is an integer number (2583168).

Almost surely, 214391897 is an apocalyptic number.

It is an amenable number.

14391897 is a deficient number, since it is larger than the sum of its proper divisors (6273447).

14391897 is a wasteful number, since it uses less digits than its factorization.

14391897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369039.

The product of its digits is 54432, while the sum is 42.

The square root of 14391897 is about 3793.6653779689. The cubic root of 14391897 is about 243.2424378509.

The spelling of 14391897 in words is "fourteen million, three hundred ninety-one thousand, eight hundred ninety-seven".

Divisors: 1 3 13 39 369023 1107069 4797299 14391897