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14250257 = 77379353
BaseRepresentation
bin110110010111…
…000100010001
3222210222200022
4312113010101
512122002012
61225233225
7232060640
oct66270421
928728608
1014250257
11805347a
124932815
132c4c308
141c6d357
1513b7472
hexd97111

14250257 has 16 divisors (see below), whose sum is σ = 16765440. Its totient is φ = 11860992.

The previous prime is 14250227. The next prime is 14250263. The reversal of 14250257 is 75205241.

It is a cyclic number.

It is not a de Polignac number, because 14250257 - 26 = 14250193 is a prime.

It is a super-3 number, since 3×142502573 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14250227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40193 + ... + 40545.

It is an arithmetic number, because the mean of its divisors is an integer number (1047840).

Almost surely, 214250257 is an apocalyptic number.

It is an amenable number.

14250257 is a deficient number, since it is larger than the sum of its proper divisors (2515183).

14250257 is an equidigital number, since it uses as much as digits as its factorization.

14250257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 14250257 is about 3774.9512579635. The cubic root of 14250257 is about 242.4418367611.

Adding to 14250257 its reverse (75205241), we get a palindrome (89455498).

The spelling of 14250257 in words is "fourteen million, two hundred fifty thousand, two hundred fifty-seven".

Divisors: 1 7 73 79 353 511 553 2471 5767 25769 27887 40369 180383 195209 2035751 14250257