Base | Representation |
---|---|
bin | 1000001010000… |
… | …01000011011101 |
3 | 11202202021221120 |
4 | 10011001003131 |
5 | 120004031101 |
6 | 10442321153 |
7 | 1460410410 |
oct | 405010335 |
9 | 152667846 |
10 | 68423901 |
11 | 35694987 |
12 | 1aab91b9 |
13 | 11239320 |
14 | 9131b77 |
15 | 6018b36 |
hex | 41410dd |
68423901 has 32 divisors (see below), whose sum is σ = 114428160. Its totient is φ = 35403264.
The previous prime is 68423863. The next prime is 68423923. The reversal of 68423901 is 10932486.
It is not a de Polignac number, because 68423901 - 210 = 68422877 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68423941) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12105 + ... + 16833.
It is an arithmetic number, because the mean of its divisors is an integer number (3575880).
Almost surely, 268423901 is an apocalyptic number.
It is an amenable number.
68423901 is a deficient number, since it is larger than the sum of its proper divisors (46004259).
68423901 is a wasteful number, since it uses less digits than its factorization.
68423901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4805.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 68423901 is about 8271.8740923687. The cubic root of 68423901 is about 409.0118997899.
The spelling of 68423901 in words is "sixty-eight million, four hundred twenty-three thousand, nine hundred one".
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