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11808816 = 243246017
BaseRepresentation
bin101101000011…
…000000110000
3211012221122120
4231003000300
511010340231
61101034240
7202242015
oct55030060
924187576
1011808816
116736158
123b55980
1325a5c86
1417d570c
151083d96
hexb43030

11808816 has 20 divisors (see below), whose sum is σ = 30506232. Its totient is φ = 3936256.

The previous prime is 11808793. The next prime is 11808833. The reversal of 11808816 is 61880811.

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, 122961 + ... + 123056.

Almost surely, 211808816 is an apocalyptic number.

11808816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11808816 is an abundant number, since it is smaller than the sum of its proper divisors (18697416).

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

11808816 is a wasteful number, since it uses less digits than its factorization.

11808816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246028 (or 246022 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

The square root of 11808816 is about 3436.3957862854. The cubic root of 11808816 is about 227.7204946750.

The spelling of 11808816 in words is "eleven million, eight hundred eight thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 246017 492034 738051 984068 1476102 1968136 2952204 3936272 5904408 11808816