Base | Representation |
---|---|
bin | 111001101111… |
… | …1001010000110 |
3 | 2002222002101000 |
4 | 1303133022012 |
5 | 30222233212 |
6 | 3000514130 |
7 | 515216631 |
oct | 163371206 |
9 | 62862330 |
10 | 30274182 |
11 | 160a8494 |
12 | a17b946 |
13 | 636ca23 |
14 | 4040c18 |
15 | 29d01dc |
hex | 1cdf286 |
30274182 has 48 divisors (see below), whose sum is σ = 71048880. Its totient is φ = 9554112.
The previous prime is 30274171. The next prime is 30274207. The reversal of 30274182 is 28147203.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 18718 + ... + 20270.
It is an arithmetic number, because the mean of its divisors is an integer number (1480185).
Almost surely, 230274182 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30274182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35524440).
30274182 is an abundant number, since it is smaller than the sum of its proper divisors (40774698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30274182 is a wasteful number, since it uses less digits than its factorization.
30274182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1602 (or 1577 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 30274182 is about 5502.1979244662. The cubic root of 30274182 is about 311.6669893648. Note that the first 3 decimals are identical.
The spelling of 30274182 in words is "thirty million, two hundred seventy-four thousand, one hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •