Search a number
-
+
10993787 = 72224363
BaseRepresentation
bin101001111100…
…000001111011
3202200112122022
4221330001323
510303300122
61031345055
7162305600
oct51740173
922615568
1010993787
116229882
12382218b
13237bccc
1416626a7
15e72642
hexa7c07b

10993787 has 6 divisors (see below), whose sum is σ = 12788748. Its totient is φ = 9423204.

The previous prime is 10993771. The next prime is 10993789. The reversal of 10993787 is 78739901.

It is not a de Polignac number, because 10993787 - 24 = 10993771 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10993789) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 112133 + ... + 112230.

It is an arithmetic number, because the mean of its divisors is an integer number (2131458).

Almost surely, 210993787 is an apocalyptic number.

10993787 is a deficient number, since it is larger than the sum of its proper divisors (1794961).

10993787 is an equidigital number, since it uses as much as digits as its factorization.

10993787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224377 (or 224370 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 10993787 is about 3315.6880130676. The cubic root of 10993787 is about 222.3561296915.

The spelling of 10993787 in words is "ten million, nine hundred ninety-three thousand, seven hundred eighty-seven".

Divisors: 1 7 49 224363 1570541 10993787