Base | Representation |
---|---|
bin | 1000001101011… |
… | …01101111000000 |
3 | 11210120220120210 |
4 | 10012231233000 |
5 | 120112302211 |
6 | 10500034120 |
7 | 1464243264 |
oct | 406555700 |
9 | 153526523 |
10 | 68869056 |
11 | 35969383 |
12 | 1b092940 |
13 | 11363b29 |
14 | 920a0a4 |
15 | 60a59a6 |
hex | 41adbc0 |
68869056 has 56 divisors (see below), whose sum is σ = 182869840. Its totient is φ = 22874112.
The previous prime is 68869049. The next prime is 68869063. The reversal of 68869056 is 65096886.
It is an interprime number because it is at equal distance from previous prime (68869049) and next prime (68869063).
It is a super-2 number, since 2×688690562 = 9485893748662272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 68868996 and 68869014.
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, 78090 + ... + 78966.
Almost surely, 268869056 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 68869056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91434920).
68869056 is an abundant number, since it is smaller than the sum of its proper divisors (114000784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68869056 is a wasteful number, since it uses less digits than its factorization.
68869056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1301 (or 1291 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 48.
The square root of 68869056 is about 8298.7382173436. The cubic root of 68869056 is about 409.8969719312.
The spelling of 68869056 in words is "sixty-eight million, eight hundred sixty-nine thousand, fifty-six".
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