Base | Representation |
---|---|
bin | 11001011011111… |
… | …00011010100010 |
3 | 112212111100100020 |
4 | 30231330122202 |
5 | 414110324110 |
6 | 33101134310 |
7 | 5200422342 |
oct | 1455743242 |
9 | 485440306 |
10 | 213370530 |
11 | aa49548a |
12 | 5b55a396 |
13 | 35289069 |
14 | 204a2d22 |
15 | 13aead70 |
hex | cb7c6a2 |
213370530 has 16 divisors (see below), whose sum is σ = 512089344. Its totient is φ = 56898800.
The previous prime is 213370523. The next prime is 213370537. The reversal of 213370530 is 35073312.
It is an interprime number because it is at equal distance from previous prime (213370523) and next prime (213370537).
It is a self number, because there is not a number n which added to its sum of digits gives 213370530.
It is not an unprimeable number, because it can be changed into a prime (213370537) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556146 + ... + 3556205.
It is an arithmetic number, because the mean of its divisors is an integer number (32005584).
Almost surely, 2213370530 is an apocalyptic number.
213370530 is an abundant number, since it is smaller than the sum of its proper divisors (298718814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213370530 is a wasteful number, since it uses less digits than its factorization.
213370530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7112361.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 213370530 is about 14607.2081521419. The cubic root of 213370530 is about 597.5553586308. Note that the first 3 decimals are identical.
The spelling of 213370530 in words is "two hundred thirteen million, three hundred seventy thousand, five hundred thirty".
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