Base | Representation |
---|---|
bin | 1000001001110… |
… | …10100011110100 |
3 | 11202200221110100 |
4 | 10010322203310 |
5 | 120002203200 |
6 | 10441554100 |
7 | 1460240016 |
oct | 404724364 |
9 | 152627410 |
10 | 68397300 |
11 | 356769a4 |
12 | 1aaa5930 |
13 | 1122a19a |
14 | 91261b6 |
15 | 6010d00 |
hex | 413a8f4 |
68397300 has 54 divisors (see below), whose sum is σ = 214390358. Its totient is φ = 18239040.
The previous prime is 68397299. The next prime is 68397311. The reversal of 68397300 is 379386.
It can be written as a sum of positive squares in 3 ways, for example, as 3175524 + 65221776 = 1782^2 + 8076^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37099 + ... + 38898.
Almost surely, 268397300 is an apocalyptic number.
68397300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68397300 is an abundant number, since it is smaller than the sum of its proper divisors (145993058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68397300 is a wasteful number, since it uses less digits than its factorization.
68397300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76017 (or 76007 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 68397300 is about 8270.2660174870. The cubic root of 68397300 is about 408.9588893864.
The spelling of 68397300 in words is "sixty-eight million, three hundred ninety-seven thousand, three hundred".
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