Base | Representation |
---|---|
bin | 111001101100… |
… | …0110001000000 |
3 | 2002220202110022 |
4 | 1303120301000 |
5 | 30220414000 |
6 | 3000153012 |
7 | 515050406 |
oct | 163306100 |
9 | 62822408 |
10 | 30248000 |
11 | 1608a852 |
12 | a168768 |
13 | 6360b33 |
14 | 4035476 |
15 | 29c7585 |
hex | 1cd8c40 |
30248000 has 112 divisors (see below), whose sum is σ = 79248000. Its totient is φ = 11404800.
The previous prime is 30247993. The next prime is 30248003. The reversal of 30248000 is 84203.
It is a self number, because there is not a number n which added to its sum of digits gives 30248000.
It is not an unprimeable number, because it can be changed into a prime (30248003) 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, 151901 + ... + 152099.
Almost surely, 230248000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30248000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39624000).
30248000 is an abundant number, since it is smaller than the sum of its proper divisors (49000000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30248000 is a wasteful number, since it uses less digits than its factorization.
30248000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245 (or 225 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 30248000 is about 5499.8181788128. The cubic root of 30248000 is about 311.5771172025.
The spelling of 30248000 in words is "thirty million, two hundred forty-eight thousand".
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