Base | Representation |
---|---|
bin | 1001001100100… |
… | …0110110100100 |
3 | 2200120122001102 |
4 | 2103020312210 |
5 | 34333241203 |
6 | 3454415232 |
7 | 645565100 |
oct | 223106644 |
9 | 80518042 |
10 | 38571428 |
11 | 1a855315 |
12 | 10b01518 |
13 | 7cb653c |
14 | 51a0900 |
15 | 35bd888 |
hex | 24c8da4 |
38571428 has 36 divisors (see below), whose sum is σ = 79499952. Its totient is φ = 16324560.
The previous prime is 38571383. The next prime is 38571451. The reversal of 38571428 is 82417583.
It is a junction number, because it is equal to n+sod(n) for n = 38571391 and 38571400.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15083 + ... + 17453.
It is an arithmetic number, because the mean of its divisors is an integer number (2208332).
Almost surely, 238571428 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 38571428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39749976).
38571428 is an abundant number, since it is smaller than the sum of its proper divisors (40928524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38571428 is a wasteful number, since it uses less digits than its factorization.
38571428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2472 (or 2463 counting only the distinct ones).
The product of its digits is 53760, while the sum is 38.
The square root of 38571428 is about 6210.5899880768. The cubic root of 38571428 is about 337.8743624646.
The spelling of 38571428 in words is "thirty-eight million, five hundred seventy-one thousand, four hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •