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14206457 = 73194609
BaseRepresentation
bin110110001100…
…010111111001
3222201202121002
4312030113321
512114101312
61224254345
7231516146
oct66142771
928652532
1014206457
118023581
1249113b5
132c353b5
141c5b3cd
1513a94c2
hexd8c5f9

14206457 has 4 divisors (see below), whose sum is σ = 14401140. Its totient is φ = 14011776.

The previous prime is 14206429. The next prime is 14206477. The reversal of 14206457 is 75460241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75460241 = 129158451.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 11182336 = 1739^2 + 3344^2 .

It is a cyclic number.

It is not a de Polignac number, because 14206457 - 26 = 14206393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14206417) 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, 97232 + ... + 97377.

It is an arithmetic number, because the mean of its divisors is an integer number (3600285).

Almost surely, 214206457 is an apocalyptic number.

It is an amenable number.

14206457 is a deficient number, since it is larger than the sum of its proper divisors (194683).

14206457 is an equidigital number, since it uses as much as digits as its factorization.

14206457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194682.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 14206457 is about 3769.1453938526. The cubic root of 14206457 is about 242.1931897685.

Adding to 14206457 its reverse (75460241), we get a palindrome (89666698).

The spelling of 14206457 in words is "fourteen million, two hundred six thousand, four hundred fifty-seven".

Divisors: 1 73 194609 14206457