Base | Representation |
---|---|
bin | 11110000110011… |
… | …01100000111001 |
3 | 122121010022220210 |
4 | 33003031200321 |
5 | 1004120000100 |
6 | 41015541333 |
7 | 6154133451 |
oct | 1703154071 |
9 | 577108823 |
10 | 252500025 |
11 | 11a591008 |
12 | 7068a849 |
13 | 404095cb |
14 | 2576ad61 |
15 | 17279c50 |
hex | f0cd839 |
252500025 has 48 divisors (see below), whose sum is σ = 451409600. Its totient is φ = 124104960.
The previous prime is 252500023. The next prime is 252500041. The reversal of 252500025 is 520005252.
252500025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 252500025 - 21 = 252500023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 252499974 and 252500010.
It is not an unprimeable number, because it can be changed into a prime (252500023) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50331 + ... + 55119.
Almost surely, 2252500025 is an apocalyptic number.
252500025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252500025 is a deficient number, since it is larger than the sum of its proper divisors (198909575).
252500025 is a wasteful number, since it uses less digits than its factorization.
252500025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4858 (or 4853 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 21.
The square root of 252500025 is about 15890.2493687167. The cubic root of 252500025 is about 632.0534532915.
Adding to 252500025 its reverse (520005252), we get a palindrome (772505277).
The spelling of 252500025 in words is "two hundred fifty-two million, five hundred thousand, twenty-five".
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