Base | Representation |
---|---|
bin | 1001010100000110… |
… | …1100101101110001 |
3 | 20110020122212212200 |
4 | 2111001230231301 |
5 | 20110031003411 |
6 | 1052033013413 |
7 | 115646531001 |
oct | 22501545561 |
9 | 6406585780 |
10 | 2500250481 |
11 | 1073365213 |
12 | 5993b4269 |
13 | 30acb9471 |
14 | 19a0b8001 |
15 | e9779e56 |
hex | 9506cb71 |
2500250481 has 12 divisors (see below), whose sum is σ = 3614743860. Its totient is φ = 1665324000.
The previous prime is 2500250477. The next prime is 2500250497. The reversal of 2500250481 is 1840520052.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1039482081 + 1460768400 = 32241^2 + 38220^2 .
It is not a de Polignac number, because 2500250481 - 22 = 2500250477 is a prime.
It is a super-2 number, since 2×25002504812 = 12502504935481462722, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2500270481) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115270 + ... + 135231.
It is an arithmetic number, because the mean of its divisors is an integer number (301228655).
Almost surely, 22500250481 is an apocalyptic number.
It is an amenable number.
2500250481 is a deficient number, since it is larger than the sum of its proper divisors (1114493379).
2500250481 is a wasteful number, since it uses less digits than its factorization.
2500250481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251616 (or 251613 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 2500250481 is about 50002.5047472624. The cubic root of 2500250481 is about 1357.2541341197.
The spelling of 2500250481 in words is "two billion, five hundred million, two hundred fifty thousand, four hundred eighty-one".
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