Base | Representation |
---|---|
bin | 100100100001011… |
… | …0010001001010010 |
3 | 10011101221010221022 |
4 | 1021002302021102 |
5 | 10002204411300 |
6 | 321333555442 |
7 | 42240202325 |
oct | 11102621122 |
9 | 3141833838 |
10 | 1225466450 |
11 | 57982009a |
12 | 2a24a5b82 |
13 | 166b6caa0 |
14 | b8a7c7bc |
15 | 728bb285 |
hex | 490b2252 |
1225466450 has 48 divisors (see below), whose sum is σ = 2561461056. Its totient is φ = 432801600.
The previous prime is 1225466449. The next prime is 1225466453. The reversal of 1225466450 is 546645221.
It is a self number, because there is not a number n which added to its sum of digits gives 1225466450.
It is not an unprimeable number, because it can be changed into a prime (1225466453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26036 + ... + 55935.
It is an arithmetic number, because the mean of its divisors is an integer number (53363772).
Almost surely, 21225466450 is an apocalyptic number.
1225466450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1225466450 is an abundant number, since it is smaller than the sum of its proper divisors (1335994606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1225466450 is a wasteful number, since it uses less digits than its factorization.
1225466450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82019 (or 82014 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 35.
The square root of 1225466450 is about 35006.6629372181. The cubic root of 1225466450 is about 1070.1232716742.
The spelling of 1225466450 in words is "one billion, two hundred twenty-five million, four hundred sixty-six thousand, four hundred fifty".
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