Base | Representation |
---|---|
bin | 110100001001010… |
… | …110111011111110 |
3 | 2020222012220221020 |
4 | 310021112323332 |
5 | 3242431242403 |
6 | 222451245010 |
7 | 30452154651 |
oct | 6411267376 |
9 | 2228186836 |
10 | 874868478 |
11 | 409927700 |
12 | 204ba9766 |
13 | 10c337673 |
14 | 84297898 |
15 | 51c15453 |
hex | 34256efe |
874868478 has 48 divisors (see below), whose sum is σ = 1975305360. Its totient is φ = 257938560.
The previous prime is 874868459. The next prime is 874868479.
874868478 is nontrivially palindromic in base 10.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (874868479) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10578 + ... + 43146.
It is an arithmetic number, because the mean of its divisors is an integer number (41152195).
Almost surely, 2874868478 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 874868478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987652680).
874868478 is an abundant number, since it is smaller than the sum of its proper divisors (1100436882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
874868478 is a wasteful number, since it uses less digits than its factorization.
874868478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32633 (or 32622 counting only the distinct ones).
The product of its digits is 19267584, while the sum is 60.
The square root of 874868478 is about 29578.1757043939. The cubic root of 874868478 is about 956.4176665973.
The spelling of 874868478 in words is "eight hundred seventy-four million, eight hundred sixty-eight thousand, four hundred seventy-eight".
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