Search a number
-
+
11800801 = 311512521
BaseRepresentation
bin101101000001…
…000011100001
3211012112122201
4231001003201
511010111201
61100533201
7202206445
oct55010341
924175581
1011800801
116730131
123b51201
1325a242c
1417d2825
151081801
hexb410e1

11800801 has 8 divisors (see below), whose sum is σ = 12267008. Its totient is φ = 11340000.

The previous prime is 11800799. The next prime is 11800819. The reversal of 11800801 is 10800811.

11800801 is nontrivially palindromic in base 15.

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

It is a cyclic number.

It is not a de Polignac number, because 11800801 - 21 = 11800799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11800871) 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, 3421 + ... + 5941.

It is an arithmetic number, because the mean of its divisors is an integer number (1533376).

Almost surely, 211800801 is an apocalyptic number.

It is an amenable number.

11800801 is a deficient number, since it is larger than the sum of its proper divisors (466207).

11800801 is a wasteful number, since it uses less digits than its factorization.

11800801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 11800801 is about 3435.2293955426. The cubic root of 11800801 is about 227.6689627558.

The spelling of 11800801 in words is "eleven million, eight hundred thousand, eight hundred one".

Divisors: 1 31 151 2521 4681 78151 380671 11800801