Search a number
-
+
14242787 = 13173223
BaseRepresentation
bin110110010101…
…001111100011
3222210121102122
4312111033203
512121232122
61225134455
7232030106
oct66251743
928717378
1014242787
1180488a9
12492a42b
132c48ab0
141c6a73d
1513b5142
hexd953e3

14242787 has 16 divisors (see below), whose sum is σ = 16369920. Its totient is φ = 12318336.

The previous prime is 14242783. The next prime is 14242853. The reversal of 14242787 is 78724241.

It is a happy number.

It is not a de Polignac number, because 14242787 - 22 = 14242783 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14242783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63758 + ... + 63980.

It is an arithmetic number, because the mean of its divisors is an integer number (1023120).

Almost surely, 214242787 is an apocalyptic number.

14242787 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14242787 is a deficient number, since it is larger than the sum of its proper divisors (2127133).

14242787 is an equidigital number, since it uses as much as digits as its factorization.

14242787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 253 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 14242787 is about 3773.9617115175. The cubic root of 14242787 is about 242.3994665998.

The spelling of 14242787 in words is "fourteen million, two hundred forty-two thousand, seven hundred eighty-seven".

Divisors: 1 13 17 221 223 289 2899 3757 3791 4913 49283 63869 64447 837811 1095599 14242787