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234225643 = 1713777979
BaseRepresentation
bin11011111010111…
…11111111101011
3121022201220011211
431331133333223
5434430210033
635124133551
75542612411
oct1575377753
9538656154
10234225643
1111023a213
12665372b7
13396ab772
14231712b1
151586a2cd
hexdf5ffeb

234225643 has 4 divisors (see below), whose sum is σ = 248003640. Its totient is φ = 220447648.

The previous prime is 234225623. The next prime is 234225647. The reversal of 234225643 is 346522432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234225643 - 25 = 234225611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234225647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6888973 + ... + 6889006.

It is an arithmetic number, because the mean of its divisors is an integer number (62000910).

Almost surely, 2234225643 is an apocalyptic number.

234225643 is a deficient number, since it is larger than the sum of its proper divisors (13777997).

234225643 is a wasteful number, since it uses less digits than its factorization.

234225643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13777996.

The product of its digits is 34560, while the sum is 31.

The square root of 234225643 is about 15304.4321358226. The cubic root of 234225643 is about 616.4220232731.

The spelling of 234225643 in words is "two hundred thirty-four million, two hundred twenty-five thousand, six hundred forty-three".

Divisors: 1 17 13777979 234225643