Base | Representation |
---|---|
bin | 11101100011011… |
… | …00001011111100 |
3 | 122021110222120021 |
4 | 32301230023330 |
5 | 1001431011233 |
6 | 40333301524 |
7 | 6100114063 |
oct | 1661541374 |
9 | 567428507 |
10 | 247907068 |
11 | 117a34282 |
12 | 6b0348a4 |
13 | 3c48bb96 |
14 | 24cd31da |
15 | 16b6de2d |
hex | ec6c2fc |
247907068 has 6 divisors (see below), whose sum is σ = 433837376. Its totient is φ = 123953532.
The previous prime is 247907063. The next prime is 247907081. The reversal of 247907068 is 860709742.
It is a super-2 number, since 2×2479070682 = 122915828728713248, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (247907063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30988380 + ... + 30988387.
Almost surely, 2247907068 is an apocalyptic number.
It is an amenable number.
247907068 is a deficient number, since it is larger than the sum of its proper divisors (185930308).
247907068 is a wasteful number, since it uses less digits than its factorization.
247907068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61976771 (or 61976769 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 247907068 is about 15745.0648776053. The cubic root of 247907068 is about 628.1976435806.
The spelling of 247907068 in words is "two hundred forty-seven million, nine hundred seven thousand, sixty-eight".
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