Base | Representation |
---|---|
bin | 111101000111110… |
… | …011110010111111 |
3 | 2122110120122000121 |
4 | 331013303302333 |
5 | 4100004113333 |
6 | 245431035411 |
7 | 34261146361 |
oct | 7507636277 |
9 | 2573518017 |
10 | 1025457343 |
11 | 486931309 |
12 | 24750bb67 |
13 | 1345b15c1 |
14 | 9a296d31 |
15 | 6005e32d |
hex | 3d1f3cbf |
1025457343 has 8 divisors (see below), whose sum is σ = 1036647216. Its totient is φ = 1014288000.
The previous prime is 1025457337. The next prime is 1025457373. The reversal of 1025457343 is 3437545201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1025457343 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1025457299 and 1025457308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025457373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108903 + ... + 117943.
It is an arithmetic number, because the mean of its divisors is an integer number (129580902).
Almost surely, 21025457343 is an apocalyptic number.
1025457343 is a deficient number, since it is larger than the sum of its proper divisors (11189873).
1025457343 is a wasteful number, since it uses less digits than its factorization.
1025457343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10265.
The product of its (nonzero) digits is 50400, while the sum is 34.
The square root of 1025457343 is about 32022.7628882956. The cubic root of 1025457343 is about 1008.4147739668.
The spelling of 1025457343 in words is "one billion, twenty-five million, four hundred fifty-seven thousand, three hundred forty-three".
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