Search a number
-
+
11025540 = 2232561253
BaseRepresentation
bin101010000011…
…110010000100
3202202011012100
4222003302010
510310304130
61032152100
7162500301
oct52036204
922664170
1011025540
116250719
123838630
1323905b6
1416700a8
15e7bc60
hexa83c84

11025540 has 36 divisors (see below), whose sum is σ = 33444684. Its totient is φ = 2940096.

The previous prime is 11025517. The next prime is 11025541. The reversal of 11025540 is 4552011.

11025540 is a `hidden beast` number, since 110 + 2 + 554 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2452356 + 8573184 = 1566^2 + 2928^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11025541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30447 + ... + 30806.

It is an arithmetic number, because the mean of its divisors is an integer number (929019).

Almost surely, 211025540 is an apocalyptic number.

11025540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11025540 is an abundant number, since it is smaller than the sum of its proper divisors (22419144).

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

11025540 is a wasteful number, since it uses less digits than its factorization.

11025540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61268 (or 61263 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 11025540 is about 3320.4728578924. The cubic root of 11025540 is about 222.5699985964.

Adding to 11025540 its reverse (4552011), we get a palindrome (15577551).

The spelling of 11025540 in words is "eleven million, twenty-five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 61253 122506 183759 245012 306265 367518 551277 612530 735036 918795 1102554 1225060 1837590 2205108 2756385 3675180 5512770 11025540