Search a number
-
+
231573041 = 733081863
BaseRepresentation
bin11011100110110…
…00011000110001
3121010202010111022
431303120120301
5433240314131
634551225225
75511224030
oct1563303061
9533663438
10231573041
11109798287
1265678215
1338c9028b
1422a80717
15154e437b
hexdcd8631

231573041 has 4 divisors (see below), whose sum is σ = 264654912. Its totient is φ = 198491172.

The previous prime is 231572987. The next prime is 231573049. The reversal of 231573041 is 140375132.

231573041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231573041 - 26 = 231572977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231573041.

It is not an unprimeable number, because it can be changed into a prime (231573049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16540925 + ... + 16540938.

It is an arithmetic number, because the mean of its divisors is an integer number (66163728).

Almost surely, 2231573041 is an apocalyptic number.

It is an amenable number.

231573041 is a deficient number, since it is larger than the sum of its proper divisors (33081871).

231573041 is an equidigital number, since it uses as much as digits as its factorization.

231573041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33081870.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 231573041 is about 15217.5241415941. The cubic root of 231573041 is about 614.0861930584.

The spelling of 231573041 in words is "two hundred thirty-one million, five hundred seventy-three thousand, forty-one".

Divisors: 1 7 33081863 231573041