Search a number
-
+
11918832 = 243248309
BaseRepresentation
bin101101011101…
…110111110000
3211102112120020
4231131313300
511022400312
61103243440
7203210532
oct55356760
924375506
1011918832
116800882
123ba9580
132614083
141823852
1510a678c
hexb5ddf0

11918832 has 20 divisors (see below), whose sum is σ = 30790440. Its totient is φ = 3972928.

The previous prime is 11918827. The next prime is 11918839. The reversal of 11918832 is 23881911.

It is a junction number, because it is equal to n+sod(n) for n = 11918793 and 11918802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11918839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124107 + ... + 124202.

It is an arithmetic number, because the mean of its divisors is an integer number (1539522).

Almost surely, 211918832 is an apocalyptic number.

11918832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11918832 is an abundant number, since it is smaller than the sum of its proper divisors (18871608).

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

11918832 is a wasteful number, since it uses less digits than its factorization.

11918832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248320 (or 248314 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 11918832 is about 3452.3661451242. The cubic root of 11918832 is about 228.4254904723.

The spelling of 11918832 in words is "eleven million, nine hundred eighteen thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 248309 496618 744927 993236 1489854 1986472 2979708 3972944 5959416 11918832