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234112420 = 22513678563
BaseRepresentation
bin11011111010001…
…00010110100100
3121022112010212101
431331010112210
5434413044140
635121501444
75541631333
oct1575042644
9538463771
10234112420
11110172143
12664a1884
133966c079
1423141d1a
151584699a
hexdf445a4

234112420 has 24 divisors (see below), whose sum is σ = 492053184. Its totient is φ = 93565536.

The previous prime is 234112409. The next prime is 234112427. The reversal of 234112420 is 24211432.

234112420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (234112427) 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, 23059 + ... + 31621.

It is an arithmetic number, because the mean of its divisors is an integer number (20502216).

Almost surely, 2234112420 is an apocalyptic number.

234112420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234112420 is an abundant number, since it is smaller than the sum of its proper divisors (257940764).

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

234112420 is a wasteful number, since it uses less digits than its factorization.

234112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9937 counting only the distinct ones).

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

The square root of 234112420 is about 15300.7326621963. The cubic root of 234112420 is about 616.3226825992.

Adding to 234112420 its reverse (24211432), we get a palindrome (258323852).

The spelling of 234112420 in words is "two hundred thirty-four million, one hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1367 2734 5468 6835 8563 13670 17126 27340 34252 42815 85630 171260 11705621 23411242 46822484 58528105 117056210 234112420