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14649769 is a prime number
BaseRepresentation
bin110111111000…
…100110101001
31000120021201001
4313320212221
512222243034
61241555001
7235343461
oct67704651
930507631
1014649769
1182a6652
124aa5a61
13305c104
141d34ba1
151445a14
hexdf89a9

14649769 has 2 divisors, whose sum is σ = 14649770. Its totient is φ = 14649768.

The previous prime is 14649721. The next prime is 14649773. The reversal of 14649769 is 96794641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 4326400 = 3213^2 + 2080^2 .

It is an emirp because it is prime and its reverse (96794641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14649769 - 219 = 14125481 is a prime.

It is a super-2 number, since 2×146497692 = 429231463506722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14649269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7324884 + 7324885.

It is an arithmetic number, because the mean of its divisors is an integer number (7324885).

Almost surely, 214649769 is an apocalyptic number.

It is an amenable number.

14649769 is a deficient number, since it is larger than the sum of its proper divisors (1).

14649769 is an equidigital number, since it uses as much as digits as its factorization.

14649769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 14649769 is about 3827.5016655777. The cubic root of 14649769 is about 244.6866408898.

The spelling of 14649769 in words is "fourteen million, six hundred forty-nine thousand, seven hundred sixty-nine".