Base | Representation |
---|---|
bin | 111001101010… |
… | …1011100010000 |
3 | 2002220001210000 |
4 | 1303111130100 |
5 | 30220000014 |
6 | 3000010000 |
7 | 514662615 |
oct | 163253420 |
9 | 62801700 |
10 | 30234384 |
11 | 160805a4 |
12 | a160900 |
13 | 635788b |
14 | 403050c |
15 | 29c3509 |
hex | 1cd5710 |
30234384 has 100 divisors (see below), whose sum is σ = 89798940. Its totient is φ = 9815040.
The previous prime is 30234371. The next prime is 30234389. The reversal of 30234384 is 48343203.
30234384 = 2153 + 2163 + 2173.
It can be written as a sum of positive squares in 2 ways, for example, as 2985984 + 27248400 = 1728^2 + 5220^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30234389) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52852 + ... + 53420.
Almost surely, 230234384 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 30234384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44899470).
30234384 is an abundant number, since it is smaller than the sum of its proper divisors (59564556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30234384 is a wasteful number, since it uses less digits than its factorization.
30234384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630 (or 615 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 30234384 is about 5498.5801803738. The cubic root of 30234384 is about 311.5303585104.
Adding to 30234384 its reverse (48343203), we get a palindrome (78577587).
The spelling of 30234384 in words is "thirty million, two hundred thirty-four thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •