Base | Representation |
---|---|
bin | 11101101010000… |
… | …00000101110110 |
3 | 122100010002012000 |
4 | 32311000011312 |
5 | 1002141300110 |
6 | 40404040130 |
7 | 6110360430 |
oct | 1665000566 |
9 | 570102160 |
10 | 248775030 |
11 | 1184773a9 |
12 | 6b393046 |
13 | 3c703c7a |
14 | 2507b650 |
15 | 16c911c0 |
hex | ed40176 |
248775030 has 64 divisors (see below), whose sum is σ = 758177280. Its totient is φ = 56862432.
The previous prime is 248775011. The next prime is 248775041. The reversal of 248775030 is 30577842.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63924 + ... + 67703.
It is an arithmetic number, because the mean of its divisors is an integer number (11846520).
Almost surely, 2248775030 is an apocalyptic number.
248775030 is an abundant number, since it is smaller than the sum of its proper divisors (509402250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248775030 is a wasteful number, since it uses less digits than its factorization.
248775030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131650 (or 131644 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 248775030 is about 15772.6037799724. The cubic root of 248775030 is about 628.9299295198.
The spelling of 248775030 in words is "two hundred forty-eight million, seven hundred seventy-five thousand, thirty".
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