Base | Representation |
---|---|
bin | 1000001100110… |
… | …10101001000100 |
3 | 11210102221022100 |
4 | 10012122221010 |
5 | 120102301402 |
6 | 10454232100 |
7 | 1463466264 |
oct | 406325104 |
9 | 153387270 |
10 | 68790852 |
11 | 35915649 |
12 | 1b055630 |
13 | 11337360 |
14 | 91c97a4 |
15 | 608c71c |
hex | 419aa44 |
68790852 has 36 divisors (see below), whose sum is σ = 187265260. Its totient is φ = 21166272.
The previous prime is 68790809. The next prime is 68790863. The reversal of 68790852 is 25809786.
It can be written as a sum of positive squares in 2 ways, for example, as 13793796 + 54997056 = 3714^2 + 7416^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 68790798 and 68790807.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73027 + ... + 73962.
Almost surely, 268790852 is an apocalyptic number.
It is an amenable number.
68790852 is an abundant number, since it is smaller than the sum of its proper divisors (118474408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68790852 is a wasteful number, since it uses less digits than its factorization.
68790852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147012 (or 147007 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 68790852 is about 8294.0250783320. The cubic root of 68790852 is about 409.7417608401.
The spelling of 68790852 in words is "sixty-eight million, seven hundred ninety thousand, eight hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •