Base | Representation |
---|---|
bin | 101110101011011… |
… | …100111000011001 |
3 | 2000120121202110000 |
4 | 232223130320121 |
5 | 3100441024200 |
6 | 205413243213 |
7 | 25256413032 |
oct | 5653347031 |
9 | 2016552400 |
10 | 783142425 |
11 | 37207754a |
12 | 19a333509 |
13 | c632cbb0 |
14 | 7601ba89 |
15 | 48b47300 |
hex | 2eadce19 |
783142425 has 120 divisors (see below), whose sum is σ = 1588023360. Its totient is φ = 379209600.
The previous prime is 783142421. The next prime is 783142427. The reversal of 783142425 is 524241387.
It is a happy number.
It is not a de Polignac number, because 783142425 - 22 = 783142421 is a prime.
It is a super-2 number, since 2×7831424252 = 1226624115669761250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 783142425.
It is not an unprimeable number, because it can be changed into a prime (783142421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1868866 + ... + 1869284.
It is an arithmetic number, because the mean of its divisors is an integer number (13233528).
Almost surely, 2783142425 is an apocalyptic number.
783142425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
783142425 is an abundant number, since it is smaller than the sum of its proper divisors (804880935).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
783142425 is a wasteful number, since it uses less digits than its factorization.
783142425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 511 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 783142425 is about 27984.6819706782. The cubic root of 783142425 is about 921.7509287013.
The spelling of 783142425 in words is "seven hundred eighty-three million, one hundred forty-two thousand, four hundred twenty-five".
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