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11045090 = 257222541
BaseRepresentation
bin101010001000…
…100011100010
3202210011000102
4222020203202
510311420330
61032422402
7162611300
oct52104342
922704012
1011045090
116264381
123847a02
132399474
141677270
15e82945
hexa888e2

11045090 has 24 divisors (see below), whose sum is σ = 23128092. Its totient is φ = 3786720.

The previous prime is 11045051. The next prime is 11045093. The reversal of 11045090 is 9054011.

It can be written as a sum of positive squares in 2 ways, for example, as 10962721 + 82369 = 3311^2 + 287^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11045093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10781 + ... + 11760.

Almost surely, 211045090 is an apocalyptic number.

11045090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11045090 is an abundant number, since it is smaller than the sum of its proper divisors (12083002).

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

11045090 is a wasteful number, since it uses less digits than its factorization.

11045090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562 (or 22555 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 11045090 is about 3323.4154118918. The cubic root of 11045090 is about 222.7014713464.

The spelling of 11045090 in words is "eleven million, forty-five thousand, ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 22541 45082 112705 157787 225410 315574 788935 1104509 1577870 2209018 5522545 11045090