Base | Representation |
---|---|
bin | 11101101011001… |
… | …00111011101010 |
3 | 122100101202011220 |
4 | 32311210323222 |
5 | 1002211112210 |
6 | 40411202510 |
7 | 6111556401 |
oct | 1665447352 |
9 | 570352156 |
10 | 248925930 |
11 | 11856a810 |
12 | 6b446436 |
13 | 3c757866 |
14 | 250ba638 |
15 | 16cc0c70 |
hex | ed64eea |
248925930 has 64 divisors (see below), whose sum is σ = 654801408. Its totient is φ = 60061760.
The previous prime is 248925923. The next prime is 248925949. The reversal of 248925930 is 39529842.
248925930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73249 + ... + 76571.
It is an arithmetic number, because the mean of its divisors is an integer number (10231272).
Almost surely, 2248925930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 248925930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327400704).
248925930 is an abundant number, since it is smaller than the sum of its proper divisors (405875478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248925930 is a wasteful number, since it uses less digits than its factorization.
248925930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3571.
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 248925930 is about 15777.3866657314. The cubic root of 248925930 is about 629.0570676062.
The spelling of 248925930 in words is "two hundred forty-eight million, nine hundred twenty-five thousand, nine hundred thirty".
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