Base | Representation |
---|---|
bin | 101000111111000… |
… | …1110110010111100 |
3 | 10112211210212001220 |
4 | 1101332032302330 |
5 | 10304032034103 |
6 | 344244433340 |
7 | 46036404531 |
oct | 12176166274 |
9 | 3484725056 |
10 | 1375268028 |
11 | 646337252 |
12 | 3246a8850 |
13 | 18bbcc584 |
14 | d0914d88 |
15 | 80b0bc53 |
hex | 51f8ecbc |
1375268028 has 24 divisors (see below), whose sum is σ = 3221167488. Its totient is φ = 456678576.
The previous prime is 1375268017. The next prime is 1375268029. The reversal of 1375268028 is 8208625731.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1375268029) 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, 214726 + ... + 221037.
It is an arithmetic number, because the mean of its divisors is an integer number (134215312).
Almost surely, 21375268028 is an apocalyptic number.
It is an amenable number.
1375268028 is an abundant number, since it is smaller than the sum of its proper divisors (1845899460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1375268028 is a wasteful number, since it uses less digits than its factorization.
1375268028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436033 (or 436031 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 1375268028 is about 37084.6063481871. The cubic root of 1375268028 is about 1112.0622937947.
The spelling of 1375268028 in words is "one billion, three hundred seventy-five million, two hundred sixty-eight thousand, twenty-eight".
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