Search a number
-
+
11808628 = 2213227089
BaseRepresentation
bin101101000010…
…111101110100
3211012221101121
4231002331310
511010334003
61101033324
7202241326
oct55027564
924187347
1011808628
116735aa7
123b55844
1325a5b70
1417d5616
151083cbd
hexb42f74

11808628 has 12 divisors (see below), whose sum is σ = 22254820. Its totient is φ = 5450112.

The previous prime is 11808611. The next prime is 11808647. The reversal of 11808628 is 82680811.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 8168164 = 1908^2 + 2858^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11808593 and 11808602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113493 + ... + 113596.

Almost surely, 211808628 is an apocalyptic number.

It is an amenable number.

11808628 is a deficient number, since it is larger than the sum of its proper divisors (10446192).

11808628 is a wasteful number, since it uses less digits than its factorization.

11808628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227106 (or 227104 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 11808628 is about 3436.3684319351. The cubic root of 11808628 is about 227.7192862083.

The spelling of 11808628 in words is "eleven million, eight hundred eight thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 26 52 227089 454178 908356 2952157 5904314 11808628