Base | Representation |
---|---|
bin | 1000111100011… |
… | …01111011001011 |
3 | 12020011221010000 |
4 | 10132031323023 |
5 | 123201431334 |
6 | 11240054043 |
7 | 1600513665 |
oct | 436157313 |
9 | 166157100 |
10 | 75030219 |
11 | 39397350 |
12 | 21164323 |
13 | 127102a4 |
14 | 9d71535 |
15 | 68c1299 |
hex | 478decb |
75030219 has 40 divisors (see below), whose sum is σ = 123571008. Its totient is φ = 44990640.
The previous prime is 75030217. The next prime is 75030253. The reversal of 75030219 is 91203057.
It is not a de Polignac number, because 75030219 - 21 = 75030217 is a prime.
It is a super-2 number, since 2×750302192 = 11259067526375922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 75030192 and 75030201.
It is not an unprimeable number, because it can be changed into a prime (75030217) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94944 + ... + 95730.
Almost surely, 275030219 is an apocalyptic number.
75030219 is a deficient number, since it is larger than the sum of its proper divisors (48540789).
75030219 is a wasteful number, since it uses less digits than its factorization.
75030219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917 (or 908 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 75030219 is about 8661.9985569151. The cubic root of 75030219 is about 421.7729643605.
The spelling of 75030219 in words is "seventy-five million, thirty thousand, two hundred nineteen".
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