Search a number
-
+
247054 = 2123527
BaseRepresentation
bin111100010100001110
3110112220011
4330110032
530401204
65143434
72046163
oct742416
9415804
10247054
11159685
12bab7a
13885b2
146606a
154d304
hex3c50e

247054 has 4 divisors (see below), whose sum is σ = 370584. Its totient is φ = 123526.

The previous prime is 247031. The next prime is 247067. The reversal of 247054 is 450742.

247054 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 an emirpimes, since its reverse is a distinct semiprime: 450742 = 2225371.

It is a super-2 number, since 2×2470542 = 122071357832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61762 + ... + 61765.

It is an arithmetic number, because the mean of its divisors is an integer number (92646).

2247054 is an apocalyptic number.

247054 is a deficient number, since it is larger than the sum of its proper divisors (123530).

247054 is a wasteful number, since it uses less digits than its factorization.

247054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123529.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 247054 is about 497.0452695681. The cubic root of 247054 is about 62.7476256092.

Adding to 247054 its reverse (450742), we get a palindrome (697796).

The spelling of 247054 in words is "two hundred forty-seven thousand, fifty-four".

Divisors: 1 2 123527 247054