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14519971 = 19764209
BaseRepresentation
bin110111011000…
…111010100011
31000022200122201
4313120322203
512204114341
61235114031
7234263164
oct67307243
930280581
1014519971
118218084
124a42917
133014ccb
141cdd76b
15141c331
hexdd8ea3

14519971 has 4 divisors (see below), whose sum is σ = 15284200. Its totient is φ = 13755744.

The previous prime is 14519957. The next prime is 14519987. The reversal of 14519971 is 17991541.

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-14519971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14519971.

It is not an unprimeable number, because it can be changed into a prime (14519951) 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, 382086 + ... + 382123.

It is an arithmetic number, because the mean of its divisors is an integer number (3821050).

Almost surely, 214519971 is an apocalyptic number.

14519971 is a deficient number, since it is larger than the sum of its proper divisors (764229).

14519971 is an equidigital number, since it uses as much as digits as its factorization.

14519971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764228.

The product of its digits is 11340, while the sum is 37.

The square root of 14519971 is about 3810.5079713865. The cubic root of 14519971 is about 243.9618490473.

The spelling of 14519971 in words is "fourteen million, five hundred nineteen thousand, nine hundred seventy-one".

Divisors: 1 19 764209 14519971