Search a number
-
+
11020404 = 2232339929
BaseRepresentation
bin101010000010…
…100001110100
3202201220011010
4222002201310
510310123104
61032112220
7162446313
oct52024164
922656133
1011020404
11624787a
123835670
13238b165
14166c27a
15e7a489
hexa82874

11020404 has 24 divisors (see below), whose sum is σ = 26832960. Its totient is φ = 3513664.

The previous prime is 11020397. The next prime is 11020411. The reversal of 11020404 is 40402011.

It is an interprime number because it is at equal distance from previous prime (11020397) and next prime (11020411).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11020404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19689 + ... + 20240.

It is an arithmetic number, because the mean of its divisors is an integer number (1118040).

Almost surely, 211020404 is an apocalyptic number.

It is an amenable number.

11020404 is an abundant number, since it is smaller than the sum of its proper divisors (15812556).

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

11020404 is a wasteful number, since it uses less digits than its factorization.

11020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39959 (or 39957 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 11020404 is about 3319.6993839804. The cubic root of 11020404 is about 222.5354334849.

Adding to 11020404 its reverse (40402011), we get a palindrome (51422415).

The spelling of 11020404 in words is "eleven million, twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 39929 79858 119787 159716 239574 479148 918367 1836734 2755101 3673468 5510202 11020404