Base | Representation |
---|---|
bin | 100000000110000… |
… | …011000011010011 |
3 | 1101112012102011000 |
4 | 200012003003103 |
5 | 2100321100100 |
6 | 125232553043 |
7 | 16225542240 |
oct | 4006030323 |
9 | 1345172130 |
10 | 538456275 |
11 | 256a43195 |
12 | 1303b2783 |
13 | 8772b0a6 |
14 | 517265c7 |
15 | 32412900 |
hex | 201830d3 |
538456275 has 96 divisors (see below), whose sum is σ = 1144926720. Its totient is φ = 243008640.
The previous prime is 538456273. The next prime is 538456279. The reversal of 538456275 is 572654835.
538456275 is a `hidden beast` number, since 5 + 3 + 84 + 562 + 7 + 5 = 666.
It is not a de Polignac number, because 538456275 - 21 = 538456273 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 538456275.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538456273) by changing a digit.
It is an upside-down number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 391489 + ... + 392861.
It is an arithmetic number, because the mean of its divisors is an integer number (11926320).
Almost surely, 2538456275 is an apocalyptic number.
538456275 is an abundant number, since it is smaller than the sum of its proper divisors (606470445).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538456275 is a wasteful number, since it uses less digits than its factorization.
538456275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1482 (or 1471 counting only the distinct ones).
The product of its digits is 1008000, while the sum is 45.
The square root of 538456275 is about 23204.6606310026. The cubic root of 538456275 is about 813.5485602175.
It can be divided in two parts, 53 and 8456275, that added together give a triangular number (8456328 = T4112).
The spelling of 538456275 in words is "five hundred thirty-eight million, four hundred fifty-six thousand, two hundred seventy-five".
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