Base | Representation |
---|---|
bin | 111010000101… |
… | …1000000000000 |
3 | 2010022012201001 |
4 | 1310023000000 |
5 | 30244010020 |
6 | 3004421344 |
7 | 516565321 |
oct | 164130000 |
9 | 63265631 |
10 | 30453760 |
11 | 162103a7 |
12 | a247854 |
13 | 640369c |
14 | 408a448 |
15 | 2a1850a |
hex | 1d0b000 |
30453760 has 52 divisors (see below), whose sum is σ = 73129248. Its totient is φ = 12173312.
The previous prime is 30453743. The next prime is 30453763. The reversal of 30453760 is 6735403.
It is not an unprimeable number, because it can be changed into a prime (30453763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19737 + ... + 21223.
Almost surely, 230453760 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 30453760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36564624).
30453760 is an abundant number, since it is smaller than the sum of its proper divisors (42675488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30453760 is an equidigital number, since it uses as much as digits as its factorization.
30453760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1516 (or 1494 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 28.
The square root of 30453760 is about 5518.4925477888. The cubic root of 30453760 is about 312.2820154468.
It can be divided in two parts, 30453 and 760, that added together give a palindrome (31213).
The spelling of 30453760 in words is "thirty million, four hundred fifty-three thousand, seven hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •