Base | Representation |
---|---|
bin | 1000000010000… |
… | …10111000111000 |
3 | 11200210101212202 |
4 | 10001002320320 |
5 | 114222222330 |
6 | 10404125332 |
7 | 1445513300 |
oct | 401027070 |
9 | 150711782 |
10 | 67382840 |
11 | 350437a8 |
12 | 1a696848 |
13 | 10c63505 |
14 | 8d40600 |
15 | 5db0445 |
hex | 4042e38 |
67382840 has 96 divisors (see below), whose sum is σ = 182217600. Its totient is φ = 22337280.
The previous prime is 67382839. The next prime is 67382851. The reversal of 67382840 is 4828376.
It is a junction number, because it is equal to n+sod(n) for n = 67382794 and 67382803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60206 + ... + 61314.
It is an arithmetic number, because the mean of its divisors is an integer number (1898100).
Almost surely, 267382840 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 67382840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91108800).
67382840 is an abundant number, since it is smaller than the sum of its proper divisors (114834760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67382840 is a wasteful number, since it uses less digits than its factorization.
67382840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1165 (or 1154 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 67382840 is about 8208.7051354035. The cubic root of 67382840 is about 406.9269348282.
The spelling of 67382840 in words is "sixty-seven million, three hundred eighty-two thousand, eight hundred forty".
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