Base | Representation |
---|---|
bin | 111001010100… |
… | …0101011111110 |
3 | 2002112202022121 |
4 | 1302220223332 |
5 | 30143113240 |
6 | 2552033154 |
7 | 513300310 |
oct | 162505376 |
9 | 62482277 |
10 | 30051070 |
11 | 15a658a5 |
12 | a0927ba |
13 | 62c22ca |
14 | 3dc37b0 |
15 | 298904a |
hex | 1ca8afe |
30051070 has 32 divisors (see below), whose sum is σ = 65458368. Its totient is φ = 9696768.
The previous prime is 30051037. The next prime is 30051079. The reversal of 30051070 is 7015003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30051079) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11437 + ... + 13816.
It is an arithmetic number, because the mean of its divisors is an integer number (2045574).
Almost surely, 230051070 is an apocalyptic number.
30051070 is an abundant number, since it is smaller than the sum of its proper divisors (35407298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051070 is a wasteful number, since it uses less digits than its factorization.
30051070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25284.
The product of its (nonzero) digits is 105, while the sum is 16.
The square root of 30051070 is about 5481.8856244909. The cubic root of 30051070 is about 310.8994688214.
Adding to 30051070 its reverse (7015003), we get a palindrome (37066073).
The spelling of 30051070 in words is "thirty million, fifty-one thousand, seventy".
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