Base | Representation |
---|---|
bin | 1000010100000… |
… | …1101001111000 |
3 | 2102121200021220 |
4 | 2011001221320 |
5 | 32411400203 |
6 | 3243232040 |
7 | 602256300 |
oct | 205015170 |
9 | 72550256 |
10 | 34871928 |
11 | 18758883 |
12 | b818620 |
13 | 72bc6a0 |
14 | 48ba600 |
15 | 30dc653 |
hex | 2141a78 |
34871928 has 96 divisors (see below), whose sum is σ = 109262160. Its totient is φ = 9192960.
The previous prime is 34871927. The next prime is 34871939. The reversal of 34871928 is 82917843.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 34871928.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34871923) 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, 14148 + ... + 16428.
Almost surely, 234871928 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 34871928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54631080).
34871928 is an abundant number, since it is smaller than the sum of its proper divisors (74390232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34871928 is a wasteful number, since it uses less digits than its factorization.
34871928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2317 (or 2306 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 34871928 is about 5905.2458035208. The cubic root of 34871928 is about 326.7071605130.
The spelling of 34871928 in words is "thirty-four million, eight hundred seventy-one thousand, nine hundred twenty-eight".
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