Base | Representation |
---|---|
bin | 100000000100110… |
… | …100011000111110 |
3 | 1101111121001011210 |
4 | 200010310120332 |
5 | 2100230242303 |
6 | 125222025250 |
7 | 16223031006 |
oct | 4004643076 |
9 | 1344531153 |
10 | 538134078 |
11 | 256843109 |
12 | 130278226 |
13 | 87647541 |
14 | 51681006 |
15 | 3239c203 |
hex | 2013463e |
538134078 has 32 divisors (see below), whose sum is σ = 1112702976. Its totient is φ = 173392128.
The previous prime is 538133977. The next prime is 538134083. The reversal of 538134078 is 870431835.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14275 + ... + 35777.
It is an arithmetic number, because the mean of its divisors is an integer number (34771968).
Almost surely, 2538134078 is an apocalyptic number.
538134078 is an abundant number, since it is smaller than the sum of its proper divisors (574568898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538134078 is a wasteful number, since it uses less digits than its factorization.
538134078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21648.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 538134078 is about 23197.7170859548. The cubic root of 538134078 is about 813.3862596945.
The spelling of 538134078 in words is "five hundred thirty-eight million, one hundred thirty-four thousand, seventy-eight".
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