Search a number
-
+
247163113 = 793128647
BaseRepresentation
bin11101011101101…
…10100011101001
3122020002012001101
432232312203221
51001233204423
640305321401
76060565111
oct1656664351
9566065041
10247163113
1111757633a
126a936261
133c28b382
1424b7c041
1516a737ad
hexebb68e9

247163113 has 4 divisors (see below), whose sum is σ = 250291840. Its totient is φ = 244034388.

The previous prime is 247163089. The next prime is 247163117. The reversal of 247163113 is 311361742.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311361742 = 2155680871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-247163113 is a prime.

It is a super-2 number, since 2×2471631132 = 122179208855701538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247163117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564245 + ... + 1564402.

It is an arithmetic number, because the mean of its divisors is an integer number (62572960).

Almost surely, 2247163113 is an apocalyptic number.

It is an amenable number.

247163113 is a deficient number, since it is larger than the sum of its proper divisors (3128727).

247163113 is an equidigital number, since it uses as much as digits as its factorization.

247163113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128726.

The product of its digits is 3024, while the sum is 28.

The square root of 247163113 is about 15721.4221048861. The cubic root of 247163113 is about 627.5686188142.

The spelling of 247163113 in words is "two hundred forty-seven million, one hundred sixty-three thousand, one hundred thirteen".

Divisors: 1 79 3128647 247163113