Base | Representation |
---|---|
bin | 1000111100001… |
… | …11011111011110 |
3 | 12020010120222010 |
4 | 10132013133132 |
5 | 123200110440 |
6 | 11235332050 |
7 | 1600344114 |
oct | 436073736 |
9 | 166116863 |
10 | 75003870 |
11 | 39379577 |
12 | 21151026 |
13 | 127012b6 |
14 | 9d65ab4 |
15 | 68b8580 |
hex | 47877de |
75003870 has 32 divisors (see below), whose sum is σ = 180610560. Its totient is φ = 19934240.
The previous prime is 75003829. The next prime is 75003871. The reversal of 75003870 is 7830057.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75003871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311 + ... + 13349.
It is an arithmetic number, because the mean of its divisors is an integer number (5644080).
Almost surely, 275003870 is an apocalyptic number.
75003870 is an abundant number, since it is smaller than the sum of its proper divisors (105606690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75003870 is a wasteful number, since it uses less digits than its factorization.
75003870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8360.
The product of its (nonzero) digits is 5880, while the sum is 30.
The square root of 75003870 is about 8660.4774695163. The cubic root of 75003870 is about 421.7235860470.
The spelling of 75003870 in words is "seventy-five million, three thousand, eight hundred seventy".
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