Base | Representation |
---|---|
bin | 1000001001100… |
… | …11101110110000 |
3 | 11202122112002100 |
4 | 10010303232300 |
5 | 120000304303 |
6 | 10441220400 |
7 | 1460062326 |
oct | 404635660 |
9 | 152575070 |
10 | 68369328 |
11 | 35657985 |
12 | 1aa91700 |
13 | 1121a531 |
14 | 9119d16 |
15 | 60078a3 |
hex | 4133bb0 |
68369328 has 30 divisors (see below), whose sum is σ = 191339564. Its totient is φ = 22789728.
The previous prime is 68369321. The next prime is 68369339. The reversal of 68369328 is 82396386.
It is a super-2 number, since 2×683693282 = 9348730022343168, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (68369321) 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, 237250 + ... + 237537.
Almost surely, 268369328 is an apocalyptic number.
It is an amenable number.
68369328 is an abundant number, since it is smaller than the sum of its proper divisors (122970236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68369328 is a wasteful number, since it uses less digits than its factorization.
68369328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474801 (or 474792 counting only the distinct ones).
The product of its digits is 373248, while the sum is 45.
The square root of 68369328 is about 8268.5747260335. The cubic root of 68369328 is about 408.9031320303.
The spelling of 68369328 in words is "sixty-eight million, three hundred sixty-nine thousand, three hundred twenty-eight".
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