Search a number
-
+
11020660 = 2257223353
BaseRepresentation
bin101010000010…
…100101110100
3202201220111121
4222002211310
510310130120
61032113324
7162450130
oct52024564
922656447
1011020660
116247a92
123835844
13238b301
14166c3c0
15e7a5aa
hexa82974

11020660 has 48 divisors (see below), whose sum is σ = 26643456. Its totient is φ = 3750912.

The previous prime is 11020651. The next prime is 11020693. The reversal of 11020660 is 6602011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31044 + ... + 31396.

It is an arithmetic number, because the mean of its divisors is an integer number (555072).

Almost surely, 211020660 is an apocalyptic number.

11020660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13321728).

11020660 is an abundant number, since it is smaller than the sum of its proper divisors (15622796).

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

11020660 is a wasteful number, since it uses less digits than its factorization.

11020660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 11020660 is about 3319.7379414647. The cubic root of 11020660 is about 222.5371566108.

Adding to 11020660 its reverse (6602011), we get a palindrome (17622671).

The spelling of 11020660 in words is "eleven million, twenty thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 223 353 446 706 892 1115 1412 1561 1765 2230 2471 3122 3530 4460 4942 6244 7060 7805 9884 12355 15610 24710 31220 49420 78719 157438 314876 393595 551033 787190 1102066 1574380 2204132 2755165 5510330 11020660