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233800081 = 4113074363
BaseRepresentation
bin11011110111110…
…00000110010001
3121021221021102021
431323320012101
5434323100311
635111051441
75536160614
oct1573700621
9537837367
10233800081
1110aa79509
1266370b81
133958cb58
14230a017b
15157d4171
hexdef8191

233800081 has 8 divisors (see below), whose sum is σ = 239740704. Its totient is φ = 227870880.

The previous prime is 233799971. The next prime is 233800123. The reversal of 233800081 is 180008332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233800081 - 225 = 200245649 is a prime.

It is a super-2 number, since 2×2338000812 = 109324955751213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233800181) 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, 51406 + ... + 55768.

It is an arithmetic number, because the mean of its divisors is an integer number (29967588).

Almost surely, 2233800081 is an apocalyptic number.

It is an amenable number.

233800081 is a deficient number, since it is larger than the sum of its proper divisors (5940623).

233800081 is a wasteful number, since it uses less digits than its factorization.

233800081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 233800081 is about 15290.5225875377. The cubic root of 233800081 is about 616.0484734793.

The spelling of 233800081 in words is "two hundred thirty-three million, eight hundred thousand, eighty-one".

Divisors: 1 41 1307 4363 53587 178883 5702441 233800081