Base | Representation |
---|---|
bin | 1000001001101… |
… | …00010110111100 |
3 | 11202122122121121 |
4 | 10010310112330 |
5 | 120000400100 |
6 | 10441240324 |
7 | 1460102662 |
oct | 404642674 |
9 | 152578547 |
10 | 68371900 |
11 | 35659903 |
12 | 1aa930a4 |
13 | 1121b75c |
14 | 911ac32 |
15 | 600851a |
hex | 41345bc |
68371900 has 18 divisors (see below), whose sum is σ = 148367240. Its totient is φ = 27348720.
The previous prime is 68371889. The next prime is 68371903. The reversal of 68371900 is 917386.
It is a super-2 number, since 2×683719002 = 9349433419220000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68371903) 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, 341760 + ... + 341959.
Almost surely, 268371900 is an apocalyptic number.
It is an amenable number.
68371900 is an abundant number, since it is smaller than the sum of its proper divisors (79995340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68371900 is a wasteful number, since it uses less digits than its factorization.
68371900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 683733 (or 683726 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 68371900 is about 8268.7302531888. The cubic root of 68371900 is about 408.9082595034.
The spelling of 68371900 in words is "sixty-eight million, three hundred seventy-one thousand, nine hundred".
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