Search a number
-
+
293057 = 2271291
BaseRepresentation
bin1000111100011000001
3112212222222
41013203001
533334212
610140425
72330252
oct1074301
9485888
10293057
111901a6
12121715
13a350b
1478b29
155bc72
hex478c1

293057 has 4 divisors (see below), whose sum is σ = 294576. Its totient is φ = 291540.

The previous prime is 293021. The next prime is 293071. The reversal of 293057 is 750392.

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 293057 - 26 = 292993 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 293057.

It is not an unprimeable number, because it can be changed into a prime (293087) 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, 419 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (73644).

2293057 is an apocalyptic number.

It is an amenable number.

293057 is a deficient number, since it is larger than the sum of its proper divisors (1519).

293057 is a wasteful number, since it uses less digits than its factorization.

293057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 293057 is about 541.3473930851. The cubic root of 293057 is about 66.4228286773.

The spelling of 293057 in words is "two hundred ninety-three thousand, fifty-seven".

Divisors: 1 227 1291 293057