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11808873 = 323893373
BaseRepresentation
bin101101000011…
…000001101001
3211012221201200
4231003001221
511010340443
61101034413
7202242126
oct55030151
924187650
1011808873
1167361aa
123b55a09
1325a5ccb
1417d574d
151083dd3
hexb43069

11808873 has 12 divisors (see below), whose sum is σ = 17106180. Its totient is φ = 7850016.

The previous prime is 11808871. The next prime is 11808917. The reversal of 11808873 is 37880811.

It can be written as a sum of positive squares in 2 ways, for example, as 8225424 + 3583449 = 2868^2 + 1893^2 .

It is not a de Polignac number, because 11808873 - 21 = 11808871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11808871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1815 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (1425515).

Almost surely, 211808873 is an apocalyptic number.

It is an amenable number.

11808873 is a deficient number, since it is larger than the sum of its proper divisors (5297307).

11808873 is a wasteful number, since it uses less digits than its factorization.

11808873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 11808873 is about 3436.4040798486. The cubic root of 11808873 is about 227.7208610692.

The spelling of 11808873 in words is "eleven million, eight hundred eight thousand, eight hundred seventy-three".

Divisors: 1 3 9 389 1167 3373 3501 10119 30357 1312097 3936291 11808873