Search a number
-
+
11856930 = 235395231
BaseRepresentation
bin101101001110…
…110000100010
3211022101122120
4231032300202
511013410210
61102045110
7202532211
oct55166042
924271576
1011856930
116769318
123b79796
1325c1b47
141809078
151093270
hexb4ec22

11856930 has 16 divisors (see below), whose sum is σ = 28456704. Its totient is φ = 3161840.

The previous prime is 11856919. The next prime is 11856947. The reversal of 11856930 is 3965811.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 11856891 and 11856900.

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 7 ways as a sum of consecutive naturals, for example, 197586 + ... + 197645.

It is an arithmetic number, because the mean of its divisors is an integer number (1778544).

Almost surely, 211856930 is an apocalyptic number.

11856930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11856930 is an abundant number, since it is smaller than the sum of its proper divisors (16599774).

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

11856930 is a wasteful number, since it uses less digits than its factorization.

11856930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395241.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11856930 is about 3443.3893186801. The cubic root of 11856930 is about 228.0293514075.

The spelling of 11856930 in words is "eleven million, eight hundred fifty-six thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 395231 790462 1185693 1976155 2371386 3952310 5928465 11856930