Base | Representation |
---|---|
bin | 111001011100… |
… | …1100110011100 |
3 | 2002200021100110 |
4 | 1302321212130 |
5 | 30202322343 |
6 | 2553330020 |
7 | 514006266 |
oct | 162714634 |
9 | 62607313 |
10 | 30120348 |
11 | 16002955 |
12 | a106910 |
13 | 63179bb |
14 | 4000b36 |
15 | 299e833 |
hex | 1cb999c |
30120348 has 24 divisors (see below), whose sum is σ = 70398720. Its totient is φ = 10023280.
The previous prime is 30120341. The next prime is 30120353. The reversal of 30120348 is 84302103.
It is a happy number.
It is a super-2 number, since 2×301203482 = 1814470727282208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120341) 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, 6883 + ... + 10373.
It is an arithmetic number, because the mean of its divisors is an integer number (2933280).
Almost surely, 230120348 is an apocalyptic number.
It is an amenable number.
30120348 is an abundant number, since it is smaller than the sum of its proper divisors (40278372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30120348 is a wasteful number, since it uses less digits than its factorization.
30120348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4217 (or 4215 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 30120348 is about 5488.2007980758. The cubic root of 30120348 is about 311.1381953556.
The spelling of 30120348 in words is "thirty million, one hundred twenty thousand, three hundred forty-eight".
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