Base | Representation |
---|---|
bin | 10101100010010… |
… | …011001000111110 |
3 | 221011212121000200 |
4 | 111202103020332 |
5 | 1214444002310 |
6 | 55504104330 |
7 | 11645052114 |
oct | 2542231076 |
9 | 834777020 |
10 | 361312830 |
11 | 175a5174a |
12 | a10050a6 |
13 | 59b17498 |
14 | 35db3ab4 |
15 | 21ac09c0 |
hex | 1589323e |
361312830 has 24 divisors (see below), whose sum is σ = 939413592. Its totient is φ = 96350064.
The previous prime is 361312817. The next prime is 361312871. The reversal of 361312830 is 38213163.
It is a happy number.
361312830 is a `hidden beast` number, since 3 + 613 + 12 + 8 + 30 = 666.
361312830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×3613128302 = 261093922245217800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 361312794 and 361312803.
It is a congruent number.
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, 2007204 + ... + 2007383.
It is an arithmetic number, because the mean of its divisors is an integer number (39142233).
Almost surely, 2361312830 is an apocalyptic number.
361312830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
361312830 is an abundant number, since it is smaller than the sum of its proper divisors (578100762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
361312830 is a wasteful number, since it uses less digits than its factorization.
361312830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4014600 (or 4014597 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 361312830 is about 19008.2305857226. The cubic root of 361312830 is about 712.2423519028.
Adding to 361312830 its reverse (38213163), we get a palindrome (399525993).
The spelling of 361312830 in words is "three hundred sixty-one million, three hundred twelve thousand, eight hundred thirty".
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