Base | Representation |
---|---|
bin | 111001110000… |
… | …1101000101010 |
3 | 2002222121021212 |
4 | 1303201220222 |
5 | 30223044310 |
6 | 3001033122 |
7 | 515261336 |
oct | 163415052 |
9 | 62877255 |
10 | 30284330 |
11 | 1610507a |
12 | a1857a2 |
13 | 637452b |
14 | 40447c6 |
15 | 29d3205 |
hex | 1ce1a2a |
30284330 has 16 divisors (see below), whose sum is σ = 56882304. Its totient is φ = 11586960.
The previous prime is 30284329. The next prime is 30284357. The reversal of 30284330 is 3348203.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a junction number, because it is equal to n+sod(n) for n = 30284296 and 30284305.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65606 + ... + 66065.
It is an arithmetic number, because the mean of its divisors is an integer number (3555144).
Almost surely, 230284330 is an apocalyptic number.
30284330 is a deficient number, since it is larger than the sum of its proper divisors (26597974).
30284330 is a wasteful number, since it uses less digits than its factorization.
30284330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131701.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 30284330 is about 5503.1200241318. The cubic root of 30284330 is about 311.7018093894.
The spelling of 30284330 in words is "thirty million, two hundred eighty-four thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •