Base | Representation |
---|---|
bin | 1000001010011… |
… | …00010111111110 |
3 | 11202211122112221 |
4 | 10011030113332 |
5 | 120012022040 |
6 | 10443315554 |
7 | 1460662531 |
oct | 405142776 |
9 | 152748487 |
10 | 68470270 |
11 | 35716800 |
12 | 1ab1bbba |
13 | 1125446b |
14 | 9144a18 |
15 | 602774a |
hex | 414c5fe |
68470270 has 48 divisors (see below), whose sum is σ = 137549664. Its totient is φ = 24516800.
The previous prime is 68470249. The next prime is 68470279. The reversal of 68470270 is 7207486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68470279) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85512 + ... + 86308.
It is an arithmetic number, because the mean of its divisors is an integer number (2865618).
Almost surely, 268470270 is an apocalyptic number.
68470270 is an abundant number, since it is smaller than the sum of its proper divisors (69079394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68470270 is a wasteful number, since it uses less digits than its factorization.
68470270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897 (or 886 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 68470270 is about 8274.6764287191. The cubic root of 68470270 is about 409.1042709740.
The spelling of 68470270 in words is "sixty-eight million, four hundred seventy thousand, two hundred seventy".
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