Base | Representation |
---|---|
bin | 100000000111110… |
… | …100101000010111 |
3 | 1101120002001022101 |
4 | 200013310220113 |
5 | 2100430441440 |
6 | 125250542531 |
7 | 16232520460 |
oct | 4007645027 |
9 | 1346061271 |
10 | 538921495 |
11 | 257230772 |
12 | 130597a47 |
13 | 87861a78 |
14 | 51807d67 |
15 | 324a569a |
hex | 201f4a17 |
538921495 has 16 divisors (see below), whose sum is σ = 739726848. Its totient is φ = 369228960.
The previous prime is 538921483. The next prime is 538921511. The reversal of 538921495 is 594129835.
It is not a de Polignac number, because 538921495 - 27 = 538921367 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39222 + ... + 51148.
It is an arithmetic number, because the mean of its divisors is an integer number (46232928).
Almost surely, 2538921495 is an apocalyptic number.
538921495 is a deficient number, since it is larger than the sum of its proper divisors (200805353).
538921495 is a wasteful number, since it uses less digits than its factorization.
538921495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13230.
The product of its digits is 388800, while the sum is 46.
The square root of 538921495 is about 23214.6827460554. The cubic root of 538921495 is about 813.7827916246.
The spelling of 538921495 in words is "five hundred thirty-eight million, nine hundred twenty-one thousand, four hundred ninety-five".
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