Search a number
-
+
234283947 = 378094649
BaseRepresentation
bin11011111011011…
…10001110101011
3121022211212011020
431331232032223
5434434041242
635125303523
75543244402
oct1575561653
9538755136
10234283947
11110279aa7
1266564ba3
13396cc171
1423188639
151587c6ec
hexdf6e3ab

234283947 has 4 divisors (see below), whose sum is σ = 312378600. Its totient is φ = 156189296.

The previous prime is 234283939. The next prime is 234283949. The reversal of 234283947 is 749382432.

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 234283947 - 23 = 234283939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234283899 and 234283908.

It is not an unprimeable number, because it can be changed into a prime (234283949) 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, 39047322 + ... + 39047327.

It is an arithmetic number, because the mean of its divisors is an integer number (78094650).

Almost surely, 2234283947 is an apocalyptic number.

234283947 is a deficient number, since it is larger than the sum of its proper divisors (78094653).

234283947 is an equidigital number, since it uses as much as digits as its factorization.

234283947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78094652.

The product of its digits is 290304, while the sum is 42.

The square root of 234283947 is about 15306.3368249885. The cubic root of 234283947 is about 616.4731661048.

The spelling of 234283947 in words is "two hundred thirty-four million, two hundred eighty-three thousand, nine hundred forty-seven".

Divisors: 1 3 78094649 234283947