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226801240 = 2355670031
BaseRepresentation
bin11011000010010…
…11011001011000
3120210202200210221
431201023121120
5431030114430
634301045424
75422531051
oct1541133130
9523680727
10226801240
11107029146
1263b56874
1337cac323
142219b728
1514da057a
hexd84b658

226801240 has 16 divisors (see below), whose sum is σ = 510302880. Its totient is φ = 90720480.

The previous prime is 226801219. The next prime is 226801241. The reversal of 226801240 is 42108622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226801241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834976 + ... + 2835055.

It is an arithmetic number, because the mean of its divisors is an integer number (31893930).

Almost surely, 2226801240 is an apocalyptic number.

226801240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226801240 is an abundant number, since it is smaller than the sum of its proper divisors (283501640).

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

226801240 is a wasteful number, since it uses less digits than its factorization.

226801240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670042 (or 5670038 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 226801240 is about 15059.9216465425. The cubic root of 226801240 is about 609.8389254903.

Adding to 226801240 its reverse (42108622), we get a palindrome (268909862).

The spelling of 226801240 in words is "two hundred twenty-six million, eight hundred one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5670031 11340062 22680124 28350155 45360248 56700310 113400620 226801240