Search a number
-
+
13994860 = 2251125783
BaseRepresentation
bin110101011000…
…101101101100
3222100000100011
4311120231230
512040313420
61215543004
7226645225
oct65305554
928300304
1013994860
117999600
12482aa64
132b8cca9
141c0424c
15136695a
hexd58b6c

13994860 has 36 divisors (see below), whose sum is σ = 32309424. Its totient is φ = 5088160.

The previous prime is 13994839. The next prime is 13994867. The reversal of 13994860 is 6849931.

It is a super-2 number, since 2×139948602 = 391712212839200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13994867) 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 11 ways as a sum of consecutive naturals, for example, 472 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (897484).

Almost surely, 213994860 is an apocalyptic number.

13994860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13994860 is an abundant number, since it is smaller than the sum of its proper divisors (18314564).

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

13994860 is a wasteful number, since it uses less digits than its factorization.

13994860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 13994860 is about 3740.9704623266. The cubic root of 13994860 is about 240.9847272565.

Subtracting from 13994860 its reverse (6849931), we obtain a square (7144929 = 26732).

The spelling of 13994860 in words is "thirteen million, nine hundred ninety-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 5783 11566 23132 28915 57830 63613 115660 127226 254452 318065 636130 699743 1272260 1399486 2798972 3498715 6997430 13994860