Base | Representation |
---|---|
bin | 1000001011011… |
… | …00101101000000 |
3 | 11210002101012022 |
4 | 10011230231000 |
5 | 120030241223 |
6 | 10450221012 |
7 | 1462053560 |
oct | 405545500 |
9 | 153071168 |
10 | 68602688 |
11 | 357a7240 |
12 | 1ab84768 |
13 | 1129c80b |
14 | 917ada0 |
15 | 6051ac8 |
hex | 416cb40 |
68602688 has 56 divisors (see below), whose sum is σ = 169737024. Its totient is φ = 26726400.
The previous prime is 68602687. The next prime is 68602691. The reversal of 68602688 is 88620686.
It is a tau number, because it is divible by the number of its divisors (56).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68602687) 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, 2033 + ... + 11888.
Almost surely, 268602688 is an apocalyptic number.
It is an amenable number.
68602688 is an abundant number, since it is smaller than the sum of its proper divisors (101134336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68602688 is a wasteful number, since it uses less digits than its factorization.
68602688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13951 (or 13941 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 44.
The square root of 68602688 is about 8282.6739643668. The cubic root of 68602688 is about 409.3678300553.
The spelling of 68602688 in words is "sixty-eight million, six hundred two thousand, six hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •