Search a number
-
+
13900614 = 2372133637
BaseRepresentation
bin110101000001…
…101101000110
3222011020001120
4311001231012
512024304424
61213534410
7226103400
oct65015506
928136046
1013900614
117934812
1247a4406
132b59120
141bbbb70
151348a79
hexd41b46

13900614 has 48 divisors (see below), whose sum is σ = 34837488. Its totient is φ = 3665088.

The previous prime is 13900613. The next prime is 13900633. The reversal of 13900614 is 41600931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900613) 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 23 ways as a sum of consecutive naturals, for example, 2004 + ... + 5640.

It is an arithmetic number, because the mean of its divisors is an integer number (725781).

Almost surely, 213900614 is an apocalyptic number.

13900614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13900614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418744).

13900614 is an abundant number, since it is smaller than the sum of its proper divisors (20936874).

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

13900614 is a wasteful number, since it uses less digits than its factorization.

13900614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13900614 is about 3728.3527193655. The cubic root of 13900614 is about 240.4425515047.

The spelling of 13900614 in words is "thirteen million, nine hundred thousand, six hundred fourteen".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1274 1911 3637 3822 7274 10911 21822 25459 47281 50918 76377 94562 141843 152754 178213 283686 330967 356426 534639 661934 992901 1069278 1985802 2316769 4633538 6950307 13900614