Base | Representation |
---|---|
bin | 1000001100011… |
… | …01101001100000 |
3 | 11210100020022020 |
4 | 10012031221200 |
5 | 120044101012 |
6 | 10453141440 |
7 | 1463155155 |
oct | 406155140 |
9 | 153306266 |
10 | 68737632 |
11 | 35889667 |
12 | 1b02a880 |
13 | 11319072 |
14 | 91b422c |
15 | 607ba8c |
hex | 418da60 |
68737632 has 48 divisors (see below), whose sum is σ = 181020672. Its totient is φ = 22838400.
The previous prime is 68737631. The next prime is 68737657. The reversal of 68737632 is 23673786.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68737631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34257 + ... + 36207.
It is an arithmetic number, because the mean of its divisors is an integer number (3771264).
Almost surely, 268737632 is an apocalyptic number.
It is an amenable number.
68737632 is an abundant number, since it is smaller than the sum of its proper divisors (112283040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68737632 is a wasteful number, since it uses less digits than its factorization.
68737632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2331 (or 2323 counting only the distinct ones).
The product of its digits is 254016, while the sum is 42.
The square root of 68737632 is about 8290.8161238807. The cubic root of 68737632 is about 409.6360680926.
The spelling of 68737632 in words is "sixty-eight million, seven hundred thirty-seven thousand, six hundred thirty-two".
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