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233680806 = 23212982267
BaseRepresentation
bin11011110110110…
…10111110100110
3121021201012210200
431323122332212
5434310241211
635104331330
75535153102
oct1573327646
9537635720
10233680806
1110a9a7937
1266313b46
133954a788
142306c902
15157adb56
hexdedafa6

233680806 has 12 divisors (see below), whose sum is σ = 506308452. Its totient is φ = 77893596.

The previous prime is 233680787. The next prime is 233680817. The reversal of 233680806 is 608086332.

233680806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6491116 + ... + 6491151.

It is an arithmetic number, because the mean of its divisors is an integer number (42192371).

Almost surely, 2233680806 is an apocalyptic number.

233680806 is an abundant number, since it is smaller than the sum of its proper divisors (272627646).

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

233680806 is a wasteful number, since it uses less digits than its factorization.

233680806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982275 (or 12982272 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 233680806 is about 15286.6217981606. The cubic root of 233680806 is about 615.9436949576.

The spelling of 233680806 in words is "two hundred thirty-three million, six hundred eighty thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 12982267 25964534 38946801 77893602 116840403 233680806