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226142020 = 22513869777
BaseRepresentation
bin11010111101010…
…10011101000100
3120202112012112101
431132222131010
5430343021040
634235001444
75414114116
oct1536523504
9522465471
10226142020
11106718935
1263899284
1337b0b260
14220693b6
1514cc009a
hexd7aa744

226142020 has 24 divisors (see below), whose sum is σ = 511429464. Its totient is φ = 83498496.

The previous prime is 226142011. The next prime is 226142053. The reversal of 226142020 is 20241622.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 226141444 = 24^2 + 15038^2 .

It is a super-2 number, since 2×2261420202 = 102280426419360800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434629 + ... + 435148.

It is an arithmetic number, because the mean of its divisors is an integer number (21309561).

Almost surely, 2226142020 is an apocalyptic number.

226142020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226142020 is an abundant number, since it is smaller than the sum of its proper divisors (285287444).

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

226142020 is a wasteful number, since it uses less digits than its factorization.

226142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869799 (or 869797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 226142020 is about 15038.0191514707. The cubic root of 226142020 is about 609.2474999346.

Adding to 226142020 its reverse (20241622), we get a palindrome (246383642).

The spelling of 226142020 in words is "two hundred twenty-six million, one hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 869777 1739554 3479108 4348885 8697770 11307101 17395540 22614202 45228404 56535505 113071010 226142020