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11807090 = 251180709
BaseRepresentation
bin101101000010…
…100101110010
3211012212021122
4231002211302
511010311330
61101022242
7202234001
oct55024562
924185248
1011807090
116734929
123b54982
1325a5259
1417d4c38
1510835e5
hexb42972

11807090 has 8 divisors (see below), whose sum is σ = 21252780. Its totient is φ = 4722832.

The previous prime is 11807083. The next prime is 11807123. The reversal of 11807090 is 9070811.

It can be written as a sum of positive squares in 2 ways, for example, as 11162281 + 644809 = 3341^2 + 803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590345 + ... + 590364.

Almost surely, 211807090 is an apocalyptic number.

11807090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11807090 is a deficient number, since it is larger than the sum of its proper divisors (9445690).

11807090 is a wasteful number, since it uses less digits than its factorization.

11807090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180716.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 11807090 is about 3436.1446418915. The cubic root of 11807090 is about 227.7093994411.

The spelling of 11807090 in words is "eleven million, eight hundred seven thousand, ninety".

Divisors: 1 2 5 10 1180709 2361418 5903545 11807090