Base | Representation |
---|---|
bin | 100101010100110… |
… | …1101111011101001 |
3 | 10020021201001102222 |
4 | 1022221231323221 |
5 | 10031111400100 |
6 | 324140203425 |
7 | 43015435541 |
oct | 11251557351 |
9 | 3207631388 |
10 | 1252450025 |
11 | 592a80272 |
12 | 2ab539575 |
13 | 16c629ab8 |
14 | bc4a4321 |
15 | 74e4b485 |
hex | 4aa6dee9 |
1252450025 has 12 divisors (see below), whose sum is σ = 1556847900. Its totient is φ = 999502080.
The previous prime is 1252450019. The next prime is 1252450039. The reversal of 1252450025 is 5200542521.
It can be written as a sum of positive squares in 6 ways, for example, as 79798489 + 1172651536 = 8933^2 + 34244^2 .
It is not a de Polignac number, because 1252450025 - 24 = 1252450009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1252449976 and 1252450003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51020 + ... + 71469.
It is an arithmetic number, because the mean of its divisors is an integer number (129737325).
Almost surely, 21252450025 is an apocalyptic number.
It is an amenable number.
1252450025 is a deficient number, since it is larger than the sum of its proper divisors (304397875).
1252450025 is a wasteful number, since it uses less digits than its factorization.
1252450025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122908 (or 122903 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 1252450025 is about 35389.9706837968. The cubic root of 1252450025 is about 1077.9206748825.
Adding to 1252450025 its reverse (5200542521), we get a palindrome (6452992546).
The spelling of 1252450025 in words is "one billion, two hundred fifty-two million, four hundred fifty thousand, twenty-five".
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