Search a number
-
+
11130020 = 2251150591
BaseRepresentation
bin101010011101…
…010010100100
3202221110111222
4222131102210
510322130040
61034315512
7163414016
oct52352244
922843458
1011130020
116312170
123888b98
1323c9015
14169a1b6
15e9cbb5
hexa9d4a4

11130020 has 24 divisors (see below), whose sum is σ = 25498368. Its totient is φ = 4047200.

The previous prime is 11130001. The next prime is 11130043. The reversal of 11130020 is 2003111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25076 + ... + 25515.

It is an arithmetic number, because the mean of its divisors is an integer number (1062432).

Almost surely, 211130020 is an apocalyptic number.

11130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11130020 is an abundant number, since it is smaller than the sum of its proper divisors (14368348).

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

11130020 is a wasteful number, since it uses less digits than its factorization.

11130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50611 (or 50609 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11130020 is about 3336.1684609744. The cubic root of 11130020 is about 223.2708272886.

Adding to 11130020 its reverse (2003111), we get a palindrome (13133131).

It can be divided in two parts, 11 and 130020, that added together give a palindrome (130031).

The spelling of 11130020 in words is "eleven million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50591 101182 202364 252955 505910 556501 1011820 1113002 2226004 2782505 5565010 11130020