Base | Representation |
---|---|
bin | 100000000101010… |
… | …010000001100100 |
3 | 1101111211012200102 |
4 | 200011102001210 |
5 | 2100243133320 |
6 | 125224403232 |
7 | 16224044621 |
oct | 4005220144 |
9 | 1344735612 |
10 | 538255460 |
11 | 256916326 |
12 | 130316518 |
13 | 8768a872 |
14 | 516b3348 |
15 | 323c3175 |
hex | 20152064 |
538255460 has 24 divisors (see below), whose sum is σ = 1148869176. Its totient is φ = 211772160.
The previous prime is 538255451. The next prime is 538255469. The reversal of 538255460 is 64552835.
It is an interprime number because it is at equal distance from previous prime (538255451) and next prime (538255469).
It can be written as a sum of positive squares in 4 ways, for example, as 30294016 + 507961444 = 5504^2 + 22538^2 .
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (538255469) 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, 219377 + ... + 221816.
It is an arithmetic number, because the mean of its divisors is an integer number (47869549).
Almost surely, 2538255460 is an apocalyptic number.
It is an amenable number.
538255460 is an abundant number, since it is smaller than the sum of its proper divisors (610613716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538255460 is a wasteful number, since it uses less digits than its factorization.
538255460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441263 (or 441261 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 38.
The square root of 538255460 is about 23200.3331872626. Note that the first 3 decimals coincide. The cubic root of 538255460 is about 813.4474111390.
The spelling of 538255460 in words is "five hundred thirty-eight million, two hundred fifty-five thousand, four hundred sixty".
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