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233745906 = 2338957651
BaseRepresentation
bin11011110111010…
…10110111110010
3121021211112002210
431323222313302
5434314332111
635105552550
75535543642
oct1573526762
9537745083
10233745906
1110aa41839
1266345756
13395712b4
1423088522
15157c30a6
hexdeeadf2

233745906 has 8 divisors (see below), whose sum is σ = 467491824. Its totient is φ = 77915300.

The previous prime is 233745881. The next prime is 233745907. The reversal of 233745906 is 609547332.

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

233745906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (233745907) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19478820 + ... + 19478831.

It is an arithmetic number, because the mean of its divisors is an integer number (58436478).

Almost surely, 2233745906 is an apocalyptic number.

233745906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

233745906 is a wasteful number, since it uses less digits than its factorization.

233745906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38957656.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 233745906 is about 15288.7509627177. The cubic root of 233745906 is about 616.0008872338. Note that the first 3 decimals are identical.

The spelling of 233745906 in words is "two hundred thirty-three million, seven hundred forty-five thousand, nine hundred six".

Divisors: 1 2 3 6 38957651 77915302 116872953 233745906