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14138436 = 2231390631
BaseRepresentation
bin110101111011…
…110001000100
3222121022021210
4311323301010
512104412221
61223011420
7231113634
oct65736104
928538253
1014138436
117a87464
124899b70
132c10450
141c406c4
151394276
hexd7bc44

14138436 has 24 divisors (see below), whose sum is σ = 35527744. Its totient is φ = 4350240.

The previous prime is 14138419. The next prime is 14138473. The reversal of 14138436 is 63483141.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45160 + ... + 45471.

Almost surely, 214138436 is an apocalyptic number.

It is an amenable number.

14138436 is an abundant number, since it is smaller than the sum of its proper divisors (21389308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14138436 is a wasteful number, since it uses less digits than its factorization.

14138436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90651 (or 90649 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 14138436 is about 3760.1111685694. Note that the first 4 decimals coincide. The cubic root of 14138436 is about 241.8060281144.

The spelling of 14138436 in words is "fourteen million, one hundred thirty-eight thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 90631 181262 271893 362524 543786 1087572 1178203 2356406 3534609 4712812 7069218 14138436