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14157713 = 29488197
BaseRepresentation
bin110110000000…
…011110010001
3222122021201202
4312000132101
512111021323
61223240545
7231224063
oct66003621
928567652
1014157713
117a9a999
1248a9155
132c1915b
141c47733
151399d28
hexd80791

14157713 has 4 divisors (see below), whose sum is σ = 14645940. Its totient is φ = 13669488.

The previous prime is 14157709. The next prime is 14157721. The reversal of 14157713 is 31775141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10942864 + 3214849 = 3308^2 + 1793^2 .

It is a cyclic number.

It is not a de Polignac number, because 14157713 - 22 = 14157709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 488197 = 14157713 / (1 + 4 + 1 + 5 + 7 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14157733) 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, 244070 + ... + 244127.

It is an arithmetic number, because the mean of its divisors is an integer number (3661485).

Almost surely, 214157713 is an apocalyptic number.

It is an amenable number.

14157713 is a deficient number, since it is larger than the sum of its proper divisors (488227).

14157713 is an equidigital number, since it uses as much as digits as its factorization.

14157713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488226.

The product of its digits is 2940, while the sum is 29.

The square root of 14157713 is about 3762.6736504778. The cubic root of 14157713 is about 241.9158747276.

The spelling of 14157713 in words is "fourteen million, one hundred fifty-seven thousand, seven hundred thirteen".

Divisors: 1 29 488197 14157713