Search a number
-
+
11917030 = 251191703
BaseRepresentation
bin101101011101…
…011011100110
3211102110002111
4231131123212
511022321110
61103231234
7203202346
oct55353346
924373074
1011917030
1167aa494
123ba851a
1326132c8
141822d26
1510a5e8a
hexb5d6e6

11917030 has 8 divisors (see below), whose sum is σ = 21450672. Its totient is φ = 4766808.

The previous prime is 11917007. The next prime is 11917039. The reversal of 11917030 is 3071911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11916992 and 11917010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11917039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595842 + ... + 595861.

It is an arithmetic number, because the mean of its divisors is an integer number (2681334).

Almost surely, 211917030 is an apocalyptic number.

11917030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11917030 is a deficient number, since it is larger than the sum of its proper divisors (9533642).

11917030 is a wasteful number, since it uses less digits than its factorization.

11917030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191710.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 11917030 is about 3452.1051548294. The cubic root of 11917030 is about 228.4139780613.

Adding to 11917030 its reverse (3071911), we get a palindrome (14988941).

The spelling of 11917030 in words is "eleven million, nine hundred seventeen thousand, thirty".

Divisors: 1 2 5 10 1191703 2383406 5958515 11917030