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11869090 = 254128949
BaseRepresentation
bin101101010001…
…101110100010
3211100000022221
4231101232202
511014302330
61102221254
7202612522
oct55215642
924300287
1011869090
116777472
123b8482a
1325c753c
14180d682
151096b7a
hexb51ba2

11869090 has 16 divisors (see below), whose sum is σ = 21886200. Its totient is φ = 4631680.

The previous prime is 11869073. The next prime is 11869093. The reversal of 11869090 is 9096811.

11869090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10118761 + 1750329 = 3181^2 + 1323^2 .

It is not an unprimeable number, because it can be changed into a prime (11869093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14065 + ... + 14884.

Almost surely, 211869090 is an apocalyptic number.

11869090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11869090 is a deficient number, since it is larger than the sum of its proper divisors (10017110).

11869090 is a wasteful number, since it uses less digits than its factorization.

11869090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 11869090 is about 3445.1545683757. The cubic root of 11869090 is about 228.1072774122.

The spelling of 11869090 in words is "eleven million, eight hundred sixty-nine thousand, ninety".

Divisors: 1 2 5 10 41 82 205 410 28949 57898 144745 289490 1186909 2373818 5934545 11869090