Base | Representation |
---|---|
bin | 111010000101… |
… | …0111001010010 |
3 | 2010022012010010 |
4 | 1310022321102 |
5 | 30244001310 |
6 | 3004415350 |
7 | 516564135 |
oct | 164127122 |
9 | 63265103 |
10 | 30453330 |
11 | 16210046 |
12 | a247556 |
13 | 640342b |
14 | 408a21c |
15 | 2a18320 |
hex | 1d0ae52 |
30453330 has 32 divisors (see below), whose sum is σ = 73672704. Its totient is φ = 8055936.
The previous prime is 30453329. The next prime is 30453343. The reversal of 30453330 is 3335403.
It is a junction number, because it is equal to n+sod(n) for n = 30453297 and 30453306.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187 + ... + 7806.
It is an arithmetic number, because the mean of its divisors is an integer number (2302272).
Almost surely, 230453330 is an apocalyptic number.
30453330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30453330 is an abundant number, since it is smaller than the sum of its proper divisors (43219374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30453330 is a wasteful number, since it uses less digits than its factorization.
30453330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8130.
The product of its (nonzero) digits is 1620, while the sum is 21.
The square root of 30453330 is about 5518.4535877363. The cubic root of 30453330 is about 312.2805456567.
Adding to 30453330 its reverse (3335403), we get a palindrome (33788733).
The spelling of 30453330 in words is "thirty million, four hundred fifty-three thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •