Base | Representation |
---|---|
bin | 1000000011100… |
… | …00001101110100 |
3 | 11201010211120001 |
4 | 10001300031310 |
5 | 114244143000 |
6 | 10412121044 |
7 | 1450215466 |
oct | 401601564 |
9 | 151124501 |
10 | 67568500 |
11 | 3516023a |
12 | 1a766184 |
13 | 10cc9b7c |
14 | 8d8c136 |
15 | 5dea46a |
hex | 4070374 |
67568500 has 48 divisors (see below), whose sum is σ = 148376592. Its totient is φ = 26880000.
The previous prime is 67568497. The next prime is 67568509. The reversal of 67568500 is 586576.
It can be written as a sum of positive squares in 8 ways, for example, as 9412624 + 58155876 = 3068^2 + 7626^2 .
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 67568500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67568509) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168300 + ... + 168700.
It is an arithmetic number, because the mean of its divisors is an integer number (3091179).
Almost surely, 267568500 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 67568500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74188296).
67568500 is an abundant number, since it is smaller than the sum of its proper divisors (80808092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67568500 is a wasteful number, since it uses less digits than its factorization.
67568500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 757 (or 745 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 37.
The square root of 67568500 is about 8220.0060827228. The cubic root of 67568500 is about 407.3003274854.
The spelling of 67568500 in words is "sixty-seven million, five hundred sixty-eight thousand, five hundred".
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