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243434022 = 23132240073
BaseRepresentation
bin11101000001010…
…00001000100110
3121222001201200220
432200220020212
5444304342042
640053345210
76014104116
oct1640501046
9558051626
10243434022
11115459647
1269638206
133b583c00
142448b046
15165888ec
hexe828226

243434022 has 24 divisors (see below), whose sum is σ = 527202504. Its totient is φ = 74902464.

The previous prime is 243434017. The next prime is 243434029. The reversal of 243434022 is 220434342.

It is a junction number, because it is equal to n+sod(n) for n = 243433983 and 243434001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243434029) 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, 119023 + ... + 121050.

It is an arithmetic number, because the mean of its divisors is an integer number (21966771).

Almost surely, 2243434022 is an apocalyptic number.

243434022 is an abundant number, since it is smaller than the sum of its proper divisors (283768482).

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

243434022 is a wasteful number, since it uses less digits than its factorization.

243434022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240104 (or 240091 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 243434022 is about 15602.3723196186. The cubic root of 243434022 is about 624.3964494571.

Adding to 243434022 its reverse (220434342), we get a palindrome (463868364).

The spelling of 243434022 in words is "two hundred forty-three million, four hundred thirty-four thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 240073 480146 720219 1440438 3120949 6241898 9362847 18725694 40572337 81144674 121717011 243434022