Base | Representation |
---|---|
bin | 1000001011100… |
… | …11101011011100 |
3 | 11210010211101112 |
4 | 10011303223130 |
5 | 120032200020 |
6 | 10451001152 |
7 | 1462233065 |
oct | 405635334 |
9 | 153124345 |
10 | 68631260 |
11 | 35816755 |
12 | 1ab991b8 |
13 | 112ac819 |
14 | 918756c |
15 | 605a2c5 |
hex | 4173adc |
68631260 has 24 divisors (see below), whose sum is σ = 144414816. Its totient is φ = 27397440.
The previous prime is 68631259. The next prime is 68631307. The reversal of 68631260 is 6213686.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7649 + ... + 13991.
It is an arithmetic number, because the mean of its divisors is an integer number (6017284).
Almost surely, 268631260 is an apocalyptic number.
It is an amenable number.
68631260 is an abundant number, since it is smaller than the sum of its proper divisors (75783556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68631260 is a wasteful number, since it uses less digits than its factorization.
68631260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6893 (or 6891 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 68631260 is about 8284.3985901211. The cubic root of 68631260 is about 409.4246540396.
The spelling of 68631260 in words is "sixty-eight million, six hundred thirty-one thousand, two hundred sixty".
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