Base | Representation |
---|---|
bin | 1000000001110… |
… | …00100111100000 |
3 | 11200201021011112 |
4 | 10000320213200 |
5 | 114214401033 |
6 | 10403202452 |
7 | 1445246525 |
oct | 400704740 |
9 | 150637145 |
10 | 67340768 |
11 | 35015130 |
12 | 1a676428 |
13 | 10c4a311 |
14 | 8d2d14c |
15 | 5da2c48 |
hex | 40389e0 |
67340768 has 48 divisors (see below), whose sum is σ = 145995696. Its totient is φ = 30320640.
The previous prime is 67340759. The next prime is 67340789. The reversal of 67340768 is 86704376.
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, 38930 + ... + 40622.
It is an arithmetic number, because the mean of its divisors is an integer number (3041577).
Almost surely, 267340768 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 67340768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72997848).
67340768 is an abundant number, since it is smaller than the sum of its proper divisors (78654928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67340768 is a wasteful number, since it uses less digits than its factorization.
67340768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1827 (or 1819 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 41.
The square root of 67340768 is about 8206.1420899226. The cubic root of 67340768 is about 406.8422258510.
The spelling of 67340768 in words is "sixty-seven million, three hundred forty thousand, seven hundred sixty-eight".
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