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11092820 = 225554641
BaseRepresentation
bin101010010100…
…001101010100
3202212120111012
4222110031110
510314432240
61033431352
7163200404
oct52241524
922776435
1011092820
116297222
12386b558
1323b50cb
14168a804
15e91b65
hexa94354

11092820 has 12 divisors (see below), whose sum is σ = 23294964. Its totient is φ = 4437120.

The previous prime is 11092813. The next prime is 11092841. The reversal of 11092820 is 2829011.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 6012304 = 2254^2 + 2452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277301 + ... + 277340.

It is an arithmetic number, because the mean of its divisors is an integer number (1941247).

Almost surely, 211092820 is an apocalyptic number.

11092820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11092820 is an abundant number, since it is smaller than the sum of its proper divisors (12202144).

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

11092820 is a wasteful number, since it uses less digits than its factorization.

11092820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554650 (or 554648 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 11092820 is about 3330.5885365803. The cubic root of 11092820 is about 223.0218027172.

The spelling of 11092820 in words is "eleven million, ninety-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 554641 1109282 2218564 2773205 5546410 11092820