Search a number
-
+
13854972 = 2231154581
BaseRepresentation
bin110100110110…
…100011111100
3222001220110010
4310312203330
512021324342
61212543220
7225523335
oct64664374
928056403
1013854972
11790349a
124781b10
132b41411
141ba928c
15133a29c
hexd368fc

13854972 has 12 divisors (see below), whose sum is σ = 32328296. Its totient is φ = 4618320.

The previous prime is 13854959. The next prime is 13855001. The reversal of 13854972 is 27945831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13854972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577279 + ... + 577302.

Almost surely, 213854972 is an apocalyptic number.

13854972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13854972 is an abundant number, since it is smaller than the sum of its proper divisors (18473324).

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

13854972 is a wasteful number, since it uses less digits than its factorization.

13854972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154588 (or 1154586 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 13854972 is about 3722.2267528994. The cubic root of 13854972 is about 240.1791024209.

The spelling of 13854972 in words is "thirteen million, eight hundred fifty-four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 1154581 2309162 3463743 4618324 6927486 13854972