Base | Representation |
---|---|
bin | 100010010001111… |
… | …110111000110010 |
3 | 1111002020002220110 |
4 | 202101332320302 |
5 | 2134213430003 |
6 | 133023122150 |
7 | 20152414122 |
oct | 4221767062 |
9 | 1432202813 |
10 | 575139378 |
11 | 275718800 |
12 | 140743356 |
13 | 92202c78 |
14 | 56554c82 |
15 | 3575ba03 |
hex | 2247ee32 |
575139378 has 48 divisors (see below), whose sum is σ = 1268896608. Its totient is φ = 173659200.
The previous prime is 575139371. The next prime is 575139379. The reversal of 575139378 is 873931575.
575139378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (575139371) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225973 + ... + 228503.
It is an arithmetic number, because the mean of its divisors is an integer number (26435346).
Almost surely, 2575139378 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 575139378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634448304).
575139378 is an abundant number, since it is smaller than the sum of its proper divisors (693757230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
575139378 is a wasteful number, since it uses less digits than its factorization.
575139378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2871 (or 2860 counting only the distinct ones).
The product of its digits is 793800, while the sum is 48.
The square root of 575139378 is about 23982.0636726700. The cubic root of 575139378 is about 831.6189324096.
The spelling of 575139378 in words is "five hundred seventy-five million, one hundred thirty-nine thousand, three hundred seventy-eight".
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