Base | Representation |
---|---|
bin | 100000000100110… |
… | …011010001010000 |
3 | 1101111120210212210 |
4 | 200010303101100 |
5 | 2100230120423 |
6 | 125221552120 |
7 | 16223011431 |
oct | 4004632120 |
9 | 1344523783 |
10 | 538129488 |
11 | 25683a716 |
12 | 130275640 |
13 | 87645420 |
14 | 5167d488 |
15 | 3239ab93 |
hex | 20133450 |
538129488 has 40 divisors (see below), whose sum is σ = 1497105568. Its totient is φ = 165578112.
The previous prime is 538129483. The next prime is 538129499. The reversal of 538129488 is 884921835.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538129483) 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, 430570 + ... + 431817.
Almost surely, 2538129488 is an apocalyptic number.
It is an amenable number.
538129488 is an abundant number, since it is smaller than the sum of its proper divisors (958976080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538129488 is a wasteful number, since it uses less digits than its factorization.
538129488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 862411 (or 862405 counting only the distinct ones).
The product of its digits is 552960, while the sum is 48.
The square root of 538129488 is about 23197.6181535950. The cubic root of 538129488 is about 813.3839471026.
The spelling of 538129488 in words is "five hundred thirty-eight million, one hundred twenty-nine thousand, four hundred eighty-eight".
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