Base | Representation |
---|---|
bin | 1000001000001100101010 |
3 | 11000020210221 |
4 | 20020030222 |
5 | 1021140410 |
6 | 113400254 |
7 | 24053020 |
oct | 10101452 |
9 | 4006727 |
10 | 2130730 |
11 | 1225938 |
12 | 86908a |
13 | 597ab4 |
14 | 3d6710 |
15 | 2c14da |
hex | 20832a |
2130730 has 32 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 717120.
The previous prime is 2130727. The next prime is 2130757. The reversal of 2130730 is 370312.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 4021 + ... + 4519.
It is an arithmetic number, because the mean of its divisors is an integer number (139500).
22130730 is an apocalyptic number.
2130730 is an abundant number, since it is smaller than the sum of its proper divisors (2333270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130730 is a wasteful number, since it uses less digits than its factorization.
2130730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 574.
The product of its (nonzero) digits is 126, while the sum is 16.
The square root of 2130730 is about 1459.7020243872. The cubic root of 2130730 is about 128.6795322431.
The spelling of 2130730 in words is "two million, one hundred thirty thousand, seven hundred thirty".
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