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2231826 = 23371971
BaseRepresentation
bin1000100000111000010010
311012101111020
420200320102
51032404301
6115500310
724653532
oct10407022
94171436
102231826
111294893
128b7696
13601b0c
144214c2
152e1436
hex220e12

2231826 has 8 divisors (see below), whose sum is σ = 4463664. Its totient is φ = 743940.

The previous prime is 2231821. The next prime is 2231833. The reversal of 2231826 is 6281322.

It is a sphenic number, since it is the product of 3 distinct primes.

2231826 is an admirable number.

It is a super-3 number, since 3×22318263 = 33350492575784483928, which contains 333 as substring.

It is a d-powerful number, because it can be written as 25 + 28 + 312 + 1 + 84 + 214 + 68 .

It is a junction number, because it is equal to n+sod(n) for n = 2231796 and 2231805.

It is not an unprimeable number, because it can be changed into a prime (2231821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185980 + ... + 185991.

It is an arithmetic number, because the mean of its divisors is an integer number (557958).

22231826 is an apocalyptic number.

2231826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2231826 is a wasteful number, since it uses less digits than its factorization.

2231826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371976.

The product of its digits is 1152, while the sum is 24.

The square root of 2231826 is about 1493.9297172223. The cubic root of 2231826 is about 130.6833054729.

The spelling of 2231826 in words is "two million, two hundred thirty-one thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 371971 743942 1115913 2231826