Base | Representation |
---|---|
bin | 1000001000101… |
… | …11011001010110 |
3 | 11202102121212220 |
4 | 10010113121112 |
5 | 114433101040 |
6 | 10434523210 |
7 | 1456100061 |
oct | 404273126 |
9 | 152377786 |
10 | 68253270 |
11 | 35588768 |
12 | 1aa36506 |
13 | 111a9767 |
14 | 90c98d8 |
15 | 5ed32d0 |
hex | 4117656 |
68253270 has 32 divisors (see below), whose sum is σ = 164347488. Its totient is φ = 18140928.
The previous prime is 68253253. The next prime is 68253287. The reversal of 68253270 is 7235286.
It is an interprime number because it is at equal distance from previous prime (68253253) and next prime (68253287).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5922 + ... + 13098.
It is an arithmetic number, because the mean of its divisors is an integer number (5135859).
Almost surely, 268253270 is an apocalyptic number.
68253270 is an abundant number, since it is smaller than the sum of its proper divisors (96094218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68253270 is a wasteful number, since it uses less digits than its factorization.
68253270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7504.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 68253270 is about 8261.5537279618. The cubic root of 68253270 is about 408.6716278400.
The spelling of 68253270 in words is "sixty-eight million, two hundred fifty-three thousand, two hundred seventy".
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