Search a number
-
+
13986014 = 271952579
BaseRepresentation
bin110101010110…
…100011011110
3222022120012112
4311112203132
512040023024
61215434022
7226610360
oct65264336
928276175
1013986014
117992999
124825912
132b88c63
141c00d30
15136400e
hexd568de

13986014 has 16 divisors (see below), whose sum is σ = 25238400. Its totient is φ = 5678424.

The previous prime is 13986013. The next prime is 13986017. The reversal of 13986014 is 41068931.

13986014 = 2562 + 2572 + ... + 3882.

It is a happy number.

It is a super-3 number, since 3×139860143 (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26024 + ... + 26555.

It is an arithmetic number, because the mean of its divisors is an integer number (1577400).

Almost surely, 213986014 is an apocalyptic number.

13986014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13986014 is a deficient number, since it is larger than the sum of its proper divisors (11252386).

13986014 is a wasteful number, since it uses less digits than its factorization.

13986014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52607.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13986014 is about 3739.7879619037. The cubic root of 13986014 is about 240.9339419395.

The spelling of 13986014 in words is "thirteen million, nine hundred eighty-six thousand, fourteen".

Divisors: 1 2 7 14 19 38 133 266 52579 105158 368053 736106 999001 1998002 6993007 13986014