Base | Representation |
---|---|
bin | 1000000100111… |
… | …01001101000000 |
3 | 11201111012022210 |
4 | 10002131031000 |
5 | 114321042033 |
6 | 10420102120 |
7 | 1451613636 |
oct | 402351500 |
9 | 151435283 |
10 | 67752768 |
11 | 35276726 |
12 | 1a834940 |
13 | 110629c5 |
14 | 8dd9356 |
15 | 5e34d63 |
hex | 409d340 |
67752768 has 56 divisors (see below), whose sum is σ = 182331360. Its totient is φ = 22197760.
The previous prime is 67752739. The next prime is 67752799. The reversal of 67752768 is 86725776.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 8338 + ... + 14318.
Almost surely, 267752768 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 67752768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91165680).
67752768 is an abundant number, since it is smaller than the sum of its proper divisors (114578592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67752768 is a wasteful number, since it uses less digits than its factorization.
67752768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6055 (or 6045 counting only the distinct ones).
The product of its digits is 987840, while the sum is 48.
The square root of 67752768 is about 8231.2069588852. The cubic root of 67752768 is about 407.6702448978.
The spelling of 67752768 in words is "sixty-seven million, seven hundred fifty-two thousand, seven hundred sixty-eight".
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