Base | Representation |
---|---|
bin | 1000111100100… |
… | …00101011111010 |
3 | 12020012111121221 |
4 | 10132100223322 |
5 | 123202312110 |
6 | 11240222254 |
7 | 1600561654 |
oct | 436205372 |
9 | 166174557 |
10 | 75041530 |
11 | 393a48a3 |
12 | 2116a98a |
13 | 12715495 |
14 | 9d756d4 |
15 | 68c47da |
hex | 4790afa |
75041530 has 8 divisors (see below), whose sum is σ = 135074772. Its totient is φ = 30016608.
The previous prime is 75041509. The next prime is 75041537. The reversal of 75041530 is 3514057.
It can be written as a sum of positive squares in 2 ways, for example, as 67026969 + 8014561 = 8187^2 + 2831^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 75041495 and 75041504.
It is not an unprimeable number, because it can be changed into a prime (75041537) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752067 + ... + 3752086.
Almost surely, 275041530 is an apocalyptic number.
75041530 is a deficient number, since it is larger than the sum of its proper divisors (60033242).
75041530 is a wasteful number, since it uses less digits than its factorization.
75041530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7504160.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 75041530 is about 8662.6514416777. The cubic root of 75041530 is about 421.7941577514.
Adding to 75041530 its reverse (3514057), we get a palindrome (78555587).
The spelling of 75041530 in words is "seventy-five million, forty-one thousand, five hundred thirty".
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