Base | Representation |
---|---|
bin | 111101001000110… |
… | …000000111010111 |
3 | 2122111001011221010 |
4 | 331020300013113 |
5 | 4100040020112 |
6 | 245440223303 |
7 | 34263225600 |
oct | 7510600727 |
9 | 2574034833 |
10 | 1025704407 |
11 | 486a8a9a2 |
12 | 24760ab33 |
13 | 134669bb0 |
14 | 9a31cda7 |
15 | 600ac63c |
hex | 3d2301d7 |
1025704407 has 48 divisors (see below), whose sum is σ = 1739052672. Its totient is φ = 532889280.
The previous prime is 1025704397. The next prime is 1025704423. The reversal of 1025704407 is 7044075201.
1025704407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1025704407 - 218 = 1025442263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025704457) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124032 + ... + 132042.
It is an arithmetic number, because the mean of its divisors is an integer number (36230264).
Almost surely, 21025704407 is an apocalyptic number.
1025704407 is a deficient number, since it is larger than the sum of its proper divisors (713348265).
1025704407 is a wasteful number, since it uses less digits than its factorization.
1025704407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8108 (or 8101 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 1025704407 is about 32026.6202868801. The cubic root of 1025704407 is about 1008.4957534385.
Adding to 1025704407 its reverse (7044075201), we get a palindrome (8069779608).
The spelling of 1025704407 in words is "one billion, twenty-five million, seven hundred four thousand, four hundred seven".
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