Base | Representation |
---|---|
bin | 111001010110… |
… | …1101011011010 |
3 | 2002120210100210 |
4 | 1302231223122 |
5 | 30144242024 |
6 | 2552311550 |
7 | 513414024 |
oct | 162555332 |
9 | 62523323 |
10 | 30071514 |
11 | 15a7a1a0 |
12 | a0a25b6 |
13 | 62cb6c5 |
14 | 3dcb014 |
15 | 2990129 |
hex | 1cadada |
30071514 has 32 divisors (see below), whose sum is σ = 65820096. Its totient is φ = 9083520.
The previous prime is 30071501. The next prime is 30071549. The reversal of 30071514 is 41517003.
It is a Curzon number.
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, 29664 + ... + 30660.
It is an arithmetic number, because the mean of its divisors is an integer number (2056878).
Almost surely, 230071514 is an apocalyptic number.
30071514 is an abundant number, since it is smaller than the sum of its proper divisors (35748582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30071514 is a wasteful number, since it uses less digits than its factorization.
30071514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1470.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 30071514 is about 5483.7499943013. The cubic root of 30071514 is about 310.9699553624.
Adding to 30071514 its reverse (41517003), we get a palindrome (71588517).
The spelling of 30071514 in words is "thirty million, seventy-one thousand, five hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •