Base | Representation |
---|---|
bin | 111001111011… |
… | …0001111111000 |
3 | 2010010220002220 |
4 | 1303312033320 |
5 | 30233300020 |
6 | 3002524040 |
7 | 516062442 |
oct | 163661770 |
9 | 63126086 |
10 | 30368760 |
11 | 16162554 |
12 | a206620 |
13 | 63a3aa6 |
14 | 4067492 |
15 | 29ed240 |
hex | 1cf63f8 |
30368760 has 64 divisors (see below), whose sum is σ = 92080800. Its totient is φ = 8011776.
The previous prime is 30368753. The next prime is 30368761. The reversal of 30368760 is 6786303.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30368761) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10336 + ... + 12944.
Almost surely, 230368760 is an apocalyptic number.
30368760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30368760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46040400).
30368760 is an abundant number, since it is smaller than the sum of its proper divisors (61712040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30368760 is a wasteful number, since it uses less digits than its factorization.
30368760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2720 (or 2716 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 30368760 is about 5510.7857878891. The cubic root of 30368760 is about 311.9912061953.
The spelling of 30368760 in words is "thirty million, three hundred sixty-eight thousand, seven hundred sixty".
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