Search a number
-
+
11868132 = 223989011
BaseRepresentation
bin101101010001…
…011111100100
3211022222000110
4231101133210
511014240012
61102213020
7202606653
oct55213744
924288013
1011868132
116776781
123b84170
1325c6c83
14180d19a
15109673c
hexb517e4

11868132 has 12 divisors (see below), whose sum is σ = 27692336. Its totient is φ = 3956040.

The previous prime is 11868113. The next prime is 11868139. The reversal of 11868132 is 23186811.

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 11868132.

It is not an unprimeable number, because it can be changed into a prime (11868139) 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 3 ways as a sum of consecutive naturals, for example, 494494 + ... + 494517.

Almost surely, 211868132 is an apocalyptic number.

11868132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11868132 is an abundant number, since it is smaller than the sum of its proper divisors (15824204).

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

11868132 is a wasteful number, since it uses less digits than its factorization.

11868132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989018 (or 989016 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11868132 is about 3445.0155297183. The cubic root of 11868132 is about 228.1011401079.

The spelling of 11868132 in words is "eleven million, eight hundred sixty-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 989011 1978022 2967033 3956044 5934066 11868132