Base | Representation |
---|---|
bin | 100000000100110… |
… | …100101110110000 |
3 | 1101111121010002102 |
4 | 200010310232300 |
5 | 2100230313342 |
6 | 125222035532 |
7 | 16223035040 |
oct | 4004645660 |
9 | 1344533072 |
10 | 538135472 |
11 | 256844166 |
12 | 130278ba8 |
13 | 87648074 |
14 | 51681720 |
15 | 3239c832 |
hex | 20134bb0 |
538135472 has 20 divisors (see below), whose sum is σ = 1191585936. Its totient is φ = 230629440.
The previous prime is 538135471. The next prime is 538135489. The reversal of 538135472 is 274531835.
It is not an unprimeable number, because it can be changed into a prime (538135471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402279 + ... + 2402502.
Almost surely, 2538135472 is an apocalyptic number.
It is an amenable number.
538135472 is an abundant number, since it is smaller than the sum of its proper divisors (653450464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538135472 is a wasteful number, since it uses less digits than its factorization.
538135472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4804796 (or 4804790 counting only the distinct ones).
The product of its digits is 100800, while the sum is 38.
The square root of 538135472 is about 23197.7471319954. The cubic root of 538135472 is about 813.3869620346.
The spelling of 538135472 in words is "five hundred thirty-eight million, one hundred thirty-five thousand, four hundred seventy-two".
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