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234824081 = 2239104879
BaseRepresentation
bin11011111111100…
…10000110010001
3121100212022002012
431333302012101
5440103332311
635145032305
75550654212
oct1577620621
9540768065
10234824081
11110608898
1266785695
133985ac7b
1423289409
151593778b
hexdff2191

234824081 has 4 divisors (see below), whose sum is σ = 234931200. Its totient is φ = 234716964.

The previous prime is 234824069. The next prime is 234824119. The reversal of 234824081 is 180428432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234824081 is a prime.

It is a super-2 number, since 2×2348240812 = 110284698034989122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234824011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50201 + ... + 54678.

It is an arithmetic number, because the mean of its divisors is an integer number (58732800).

Almost surely, 2234824081 is an apocalyptic number.

It is an amenable number.

234824081 is a deficient number, since it is larger than the sum of its proper divisors (107119).

234824081 is a wasteful number, since it uses less digits than its factorization.

234824081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107118.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 234824081 is about 15323.9707974141. The cubic root of 234824081 is about 616.9465554237.

The spelling of 234824081 in words is "two hundred thirty-four million, eight hundred twenty-four thousand, eighty-one".

Divisors: 1 2239 104879 234824081