Base | Representation |
---|---|
bin | 101011100001101… |
… | …011101100101001 |
3 | 1212220002112201020 |
4 | 223201223230221 |
5 | 2443421000100 |
6 | 200243443053 |
7 | 24045010551 |
oct | 5341535451 |
9 | 1786075636 |
10 | 730250025 |
11 | 34523071a |
12 | 184686489 |
13 | b83a110b |
14 | 6cdb0161 |
15 | 4419a5a0 |
hex | 2b86bb29 |
730250025 has 24 divisors (see below), whose sum is σ = 1223894880. Its totient is φ = 384128640.
The previous prime is 730249991. The next prime is 730250029. The reversal of 730250025 is 520052037.
It is not a de Polignac number, because 730250025 - 28 = 730249769 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 730249977 and 730250004.
It is not an unprimeable number, because it can be changed into a prime (730250029) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61215 + ... + 72164.
It is an arithmetic number, because the mean of its divisors is an integer number (50995620).
Almost surely, 2730250025 is an apocalyptic number.
730250025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
730250025 is a deficient number, since it is larger than the sum of its proper divisors (493644855).
730250025 is a wasteful number, since it uses less digits than its factorization.
730250025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133465 (or 133460 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 24.
The square root of 730250025 is about 27023.1386963099. The cubic root of 730250025 is about 900.5141198363.
The spelling of 730250025 in words is "seven hundred thirty million, two hundred fifty thousand, twenty-five".
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