Base | Representation |
---|---|
bin | 111101000110110… |
… | …101000101000100 |
3 | 2122110002120122010 |
4 | 331012311011010 |
5 | 4044422403302 |
6 | 245421334220 |
7 | 34256026413 |
oct | 7506650504 |
9 | 2573076563 |
10 | 1025200452 |
11 | 486776301 |
12 | 247407370 |
13 | 1345216b3 |
14 | 9a22b47a |
15 | 6000d16c |
hex | 3d1b5144 |
1025200452 has 12 divisors (see below), whose sum is σ = 2392134416. Its totient is φ = 341733480.
The previous prime is 1025200441. The next prime is 1025200543. The reversal of 1025200452 is 2540025201.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42716674 + ... + 42716697.
Almost surely, 21025200452 is an apocalyptic number.
1025200452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1025200452 is an abundant number, since it is smaller than the sum of its proper divisors (1366933964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025200452 is a wasteful number, since it uses less digits than its factorization.
1025200452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85433378 (or 85433376 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 1025200452 is about 32018.7515684169. The cubic root of 1025200452 is about 1008.3305597325.
Adding to 1025200452 its reverse (2540025201), we get a palindrome (3565225653).
The spelling of 1025200452 in words is "one billion, twenty-five million, two hundred thousand, four hundred fifty-two".
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