Search a number
-
+
11089870 = 2511181557
BaseRepresentation
bin101010010011…
…011111001110
3202212102102221
4222103133032
510314333440
61033405554
7163155661
oct52233716
922772387
1011089870
116294a90
1238698ba
1323b396c
1416896d8
15e90d4a
hexa937ce

11089870 has 32 divisors (see below), whose sum is σ = 21936096. Its totient is φ = 4003200.

The previous prime is 11089867. The next prime is 11089877. The reversal of 11089870 is 7898011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11089877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19632 + ... + 20188.

It is an arithmetic number, because the mean of its divisors is an integer number (685503).

Almost surely, 211089870 is an apocalyptic number.

11089870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11089870 is a deficient number, since it is larger than the sum of its proper divisors (10846226).

11089870 is a wasteful number, since it uses less digits than its factorization.

11089870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 11089870 is about 3330.1456424607. The cubic root of 11089870 is about 223.0020309896.

The spelling of 11089870 in words is "eleven million, eighty-nine thousand, eight hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 181 362 557 905 1114 1810 1991 2785 3982 5570 6127 9955 12254 19910 30635 61270 100817 201634 504085 1008170 1108987 2217974 5544935 11089870