Base | Representation |
---|---|
bin | 10010000001101… |
… | …001110001011010 |
3 | 210002001200112200 |
4 | 102001221301122 |
5 | 1104410020010 |
6 | 50001551030 |
7 | 10331361042 |
oct | 2201516132 |
9 | 702050480 |
10 | 302423130 |
11 | 145789a79 |
12 | 85345476 |
13 | 4a8689c9 |
14 | 2c244722 |
15 | 1b83bcc0 |
hex | 12069c5a |
302423130 has 24 divisors (see below), whose sum is σ = 786300372. Its totient is φ = 80646144.
The previous prime is 302423119. The next prime is 302423179. The reversal of 302423130 is 31324203.
It can be written as a sum of positive squares in 2 ways, for example, as 298702089 + 3721041 = 17283^2 + 1929^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680039 + ... + 1680218.
Almost surely, 2302423130 is an apocalyptic number.
302423130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
302423130 is an abundant number, since it is smaller than the sum of its proper divisors (483877242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
302423130 is a wasteful number, since it uses less digits than its factorization.
302423130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3360270 (or 3360267 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 302423130 is about 17390.3171333935. The cubic root of 302423130 is about 671.2304780898.
Adding to 302423130 its reverse (31324203), we get a palindrome (333747333).
The spelling of 302423130 in words is "three hundred two million, four hundred twenty-three thousand, one hundred thirty".
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