Base | Representation |
---|---|
bin | 10010000000100… |
… | …000100001111010 |
3 | 210001111110000120 |
4 | 102000200201322 |
5 | 1104320420010 |
6 | 45551314110 |
7 | 10326001311 |
oct | 2200404172 |
9 | 701443016 |
10 | 302123130 |
11 | 1455a4641 |
12 | 8521b936 |
13 | 4a7922aa |
14 | 2c1a7278 |
15 | 1b7cce70 |
hex | 1202087a |
302123130 has 32 divisors (see below), whose sum is σ = 744695424. Its totient is φ = 78388416.
The previous prime is 302123119. The next prime is 302123149. The reversal of 302123130 is 31321203.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 134982 + ... + 137201.
It is an arithmetic number, because the mean of its divisors is an integer number (23271732).
Almost surely, 2302123130 is an apocalyptic number.
302123130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
302123130 is an abundant number, since it is smaller than the sum of its proper divisors (442572294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
302123130 is a wasteful number, since it uses less digits than its factorization.
302123130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272230.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 302123130 is about 17381.6895036127. The cubic root of 302123130 is about 671.0084538844.
Adding to 302123130 its reverse (31321203), we get a palindrome (333444333).
It can be divided in two parts, 302123 and 130, that added together give a triangular number (302253 = T777).
The spelling of 302123130 in words is "three hundred two million, one hundred twenty-three thousand, one hundred thirty".
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