Base | Representation |
---|---|
bin | 111101010100000… |
… | …111011110110101 |
3 | 2122200122112202100 |
4 | 331110013132311 |
5 | 4101320334301 |
6 | 250024132313 |
7 | 34330444563 |
oct | 7524073665 |
9 | 2580575670 |
10 | 1028683701 |
11 | 488735321 |
12 | 248607099 |
13 | 135170ca6 |
14 | 9a896a33 |
15 | 6049a286 |
hex | 3d5077b5 |
1028683701 has 6 divisors (see below), whose sum is σ = 1485876470. Its totient is φ = 685789128.
The previous prime is 1028683699. The next prime is 1028683741. The reversal of 1028683701 is 1073868201.
1028683701 is a `hidden beast` number, since 1 + 0 + 286 + 8 + 370 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 664866225 + 363817476 = 25785^2 + 19074^2 .
It is not a de Polignac number, because 1028683701 - 21 = 1028683699 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028683741) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57149086 + ... + 57149103.
Almost surely, 21028683701 is an apocalyptic number.
It is an amenable number.
1028683701 is a deficient number, since it is larger than the sum of its proper divisors (457192769).
1028683701 is a wasteful number, since it uses less digits than its factorization.
1028683701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114298195 (or 114298192 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 1028683701 is about 32073.0993357362. The cubic root of 1028683701 is about 1009.4712459621.
The spelling of 1028683701 in words is "one billion, twenty-eight million, six hundred eighty-three thousand, seven hundred one".
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