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2266590 = 23575553
BaseRepresentation
bin1000101001010111011110
311021011011210
420221113132
51040012330
6120325250
725160064
oct10512736
94234153
102266590
111308a17
12913826
136148a1
14430034
152eb8b0
hex2295de

2266590 has 16 divisors (see below), whose sum is σ = 5439888. Its totient is φ = 604416.

The previous prime is 2266571. The next prime is 2266591. The reversal of 2266590 is 956622.

2266590 is nontrivially palindromic in base 14.

It is a super-3 number, since 3×22665903 = 34933343942127537000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 75553 = 2266590 / (2 + 2 + 6 + 6 + 5 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37747 + ... + 37806.

It is an arithmetic number, because the mean of its divisors is an integer number (339993).

22266590 is an apocalyptic number.

2266590 is an abundant number, since it is smaller than the sum of its proper divisors (3173298).

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

2266590 is a wasteful number, since it uses less digits than its factorization.

2266590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75563.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2266590 is about 1505.5198437749. The cubic root of 2266590 is about 131.3583413831.

The spelling of 2266590 in words is "two million, two hundred sixty-six thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 75553 151106 226659 377765 453318 755530 1133295 2266590