Search a number
-
+
11113888 = 25536553
BaseRepresentation
bin101010011001…
…010110100000
3202220122101111
4222121112200
510321121023
61034113104
7163316002
oct52312640
922818344
1011113888
116301035
12387b794
1323c1886
141694372
15e9800d
hexa995a0

11113888 has 24 divisors (see below), whose sum is σ = 22296708. Its totient is φ = 5451264.

The previous prime is 11113849. The next prime is 11113891. The reversal of 11113888 is 88831111.

It can be written as a sum of positive squares in 2 ways, for example, as 11102224 + 11664 = 3332^2 + 108^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581 + ... + 4972.

Almost surely, 211113888 is an apocalyptic number.

It is an amenable number.

11113888 is an abundant number, since it is smaller than the sum of its proper divisors (11182820).

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

11113888 is an equidigital number, since it uses as much as digits as its factorization.

11113888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616 (or 6608 counting only the distinct ones).

The product of its digits is 1536, while the sum is 31.

The square root of 11113888 is about 3333.7498406449. The cubic root of 11113888 is about 223.1629045549.

Adding to 11113888 its reverse (88831111), we get a palindrome (99944999).

The spelling of 11113888 in words is "eleven million, one hundred thirteen thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 53 106 212 424 848 1696 6553 13106 26212 52424 104848 209696 347309 694618 1389236 2778472 5556944 11113888