Search a number
-
+
11881904 = 24742619
BaseRepresentation
bin101101010100…
…110110110000
3211100122220112
4231110312300
511020210104
61102400452
7202665056
oct55246660
924318815
1011881904
116786061
123b90128
132600318
1418141d6
15109a86e
hexb54db0

11881904 has 10 divisors (see below), whose sum is σ = 23021220. Its totient is φ = 5940944.

The previous prime is 11881901. The next prime is 11881913. The reversal of 11881904 is 40918811.

11881904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11881901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371294 + ... + 371325.

It is an arithmetic number, because the mean of its divisors is an integer number (2302122).

Almost surely, 211881904 is an apocalyptic number.

It is an amenable number.

11881904 is a deficient number, since it is larger than the sum of its proper divisors (11139316).

11881904 is an equidigital number, since it uses as much as digits as its factorization.

11881904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742627 (or 742621 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 11881904 is about 3447.0137800711. The cubic root of 11881904 is about 228.1893369297.

The spelling of 11881904 in words is "eleven million, eight hundred eighty-one thousand, nine hundred four".

Divisors: 1 2 4 8 16 742619 1485238 2970476 5940952 11881904