Base | Representation |
---|---|
bin | 1000000101011110… |
… | …0101001100100010 |
3 | 12121021001220102101 |
4 | 2001113211030202 |
5 | 13421113130110 |
6 | 555212041014 |
7 | 104533312534 |
oct | 20127451442 |
9 | 5537056371 |
10 | 2170442530 |
11 | a14181663 |
12 | 506a6316a |
13 | 287882c29 |
14 | 168385854 |
15 | ca82e13a |
hex | 815e5322 |
2170442530 has 64 divisors (see below), whose sum is σ = 4230672768. Its totient is φ = 798745600.
The previous prime is 2170442503. The next prime is 2170442531. The reversal of 2170442530 is 352440712.
It is not an unprimeable number, because it can be changed into a prime (2170442531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424349 + ... + 1425871.
It is an arithmetic number, because the mean of its divisors is an integer number (66104262).
Almost surely, 22170442530 is an apocalyptic number.
2170442530 is a deficient number, since it is larger than the sum of its proper divisors (2060230238).
2170442530 is a wasteful number, since it uses less digits than its factorization.
2170442530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1731.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 2170442530 is about 46588.0084356479. The cubic root of 2170442530 is about 1294.7405909441.
The spelling of 2170442530 in words is "two billion, one hundred seventy million, four hundred forty-two thousand, five hundred thirty".
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