Search a number
-
+
11265620 = 225896329
BaseRepresentation
bin101010111110…
…011001010100
3210012100112012
4222332121110
510340444440
61041243352
7164520242
oct52763124
923170465
1011265620
1163a5033
123933558
132445962
1416d3792
15ec7e65
hexabe654

11265620 has 24 divisors (see below), whose sum is σ = 23927400. Its totient is φ = 4454912.

The previous prime is 11265619. The next prime is 11265623. The reversal of 11265620 is 2656211.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 10316944 = 974^2 + 3212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11265623) 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 7 ways as a sum of consecutive naturals, for example, 1385 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (996975).

Almost surely, 211265620 is an apocalyptic number.

11265620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11265620 is an abundant number, since it is smaller than the sum of its proper divisors (12661780).

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

11265620 is a wasteful number, since it uses less digits than its factorization.

11265620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11265620 is about 3356.4296506854. The cubic root of 11265620 is about 224.1738923949.

It can be divided in two parts, 1 and 1265620, that added together give a palindrome (1265621).

The spelling of 11265620 in words is "eleven million, two hundred sixty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 6329 12658 25316 31645 63290 126580 563281 1126562 2253124 2816405 5632810 11265620