Search a number
-
+
13944119 = 719591777
BaseRepresentation
bin110101001100…
…010100110111
3222020102201212
4311030110313
512032202434
61214512035
7226344260
oct65142467
928212655
1013944119
117964472
12480561b
132b72b77
141bcd967
1513568ce
hexd4c537

13944119 has 16 divisors (see below), whose sum is σ = 17068800. Its totient is φ = 11124864.

The previous prime is 13944109. The next prime is 13944137. The reversal of 13944119 is 91144931.

It is a cyclic number.

It is not a de Polignac number, because 13944119 - 24 = 13944103 is a prime.

It is a super-2 number, since 2×139441192 = 388876909372322, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6959 + ... + 8735.

It is an arithmetic number, because the mean of its divisors is an integer number (1066800).

Almost surely, 213944119 is an apocalyptic number.

13944119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13944119 is a deficient number, since it is larger than the sum of its proper divisors (3124681).

13944119 is a wasteful number, since it uses less digits than its factorization.

13944119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its digits is 3888, while the sum is 32.

The square root of 13944119 is about 3734.1825075912. The cubic root of 13944119 is about 240.6931293900.

The spelling of 13944119 in words is "thirteen million, nine hundred forty-four thousand, one hundred nineteen".

Divisors: 1 7 19 59 133 413 1121 1777 7847 12439 33763 104843 236341 733901 1992017 13944119