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247113 = 3227457
BaseRepresentation
bin111100010101001001
3110112222100
4330111021
530401423
65144013
72046306
oct742511
9415870
10247113
11159729
12bb009
1388629
14660ad
154d343
hex3c549

247113 has 6 divisors (see below), whose sum is σ = 356954. Its totient is φ = 164736.

The previous prime is 247099. The next prime is 247141. The reversal of 247113 is 311742.

247113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 149769 + 97344 = 387^2 + 312^2 .

It is not a de Polignac number, because 247113 - 213 = 238921 is a prime.

It is a super-2 number, since 2×2471132 = 122129669538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13720 + ... + 13737.

2247113 is an apocalyptic number.

It is an amenable number.

247113 is a deficient number, since it is larger than the sum of its proper divisors (109841).

247113 is a wasteful number, since it uses less digits than its factorization.

247113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27463 (or 27460 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 247113 is about 497.1046167559. The cubic root of 247113 is about 62.7526202194.

Adding to 247113 its reverse (311742), we get a palindrome (558855).

It can be divided in two parts, 2471 and 13, that multiplied together give a palindrome (32123).

The spelling of 247113 in words is "two hundred forty-seven thousand, one hundred thirteen".

Divisors: 1 3 9 27457 82371 247113