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11868808 = 237211943
BaseRepresentation
bin101101010001…
…101010001000
3211022222221111
4231101222020
511014300213
61102220104
7202611640
oct55215210
924288844
1011868808
116777236
123b84634
1325c7383
14180d520
151096a3d
hexb51a88

11868808 has 16 divisors (see below), whose sum is σ = 25433280. Its totient is φ = 5086608.

The previous prime is 11868799. The next prime is 11868809. The reversal of 11868808 is 80886811.

It is not an unprimeable number, because it can be changed into a prime (11868809) 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, 105916 + ... + 106027.

It is an arithmetic number, because the mean of its divisors is an integer number (1589580).

Almost surely, 211868808 is an apocalyptic number.

It is an amenable number.

11868808 is an abundant number, since it is smaller than the sum of its proper divisors (13564472).

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

11868808 is a wasteful number, since it uses less digits than its factorization.

11868808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211956 (or 211952 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 40.

The square root of 11868808 is about 3445.1136410865. The cubic root of 11868808 is about 228.1054708496.

The spelling of 11868808 in words is "eleven million, eight hundred sixty-eight thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 28 56 211943 423886 847772 1483601 1695544 2967202 5934404 11868808