Base | Representation |
---|---|
bin | 1000001100111… |
… | …10100001100000 |
3 | 11210110202010020 |
4 | 10012132201200 |
5 | 120103304002 |
6 | 10454433440 |
7 | 1463563530 |
oct | 406364140 |
9 | 153422106 |
10 | 68806752 |
11 | 35926593 |
12 | 1b062880 |
13 | 11341671 |
14 | 91d14c0 |
15 | 60922bc |
hex | 419e860 |
68806752 has 192 divisors, whose sum is σ = 230791680. Its totient is φ = 17473536.
The previous prime is 68806747. The next prime is 68806757. The reversal of 68806752 is 25760886.
It is an interprime number because it is at equal distance from previous prime (68806747) and next prime (68806757).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68806757) 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, 216898 + ... + 217214.
It is an arithmetic number, because the mean of its divisors is an integer number (1202040).
Almost surely, 268806752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68806752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115395840).
68806752 is an abundant number, since it is smaller than the sum of its proper divisors (161984928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68806752 is a wasteful number, since it uses less digits than its factorization.
68806752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373 (or 365 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 68806752 is about 8294.9835442875. The cubic root of 68806752 is about 409.7733270146.
The spelling of 68806752 in words is "sixty-eight million, eight hundred six thousand, seven hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •