Base | Representation |
---|---|
bin | 1000111100100… |
… | …00100101111101 |
3 | 12020012111002211 |
4 | 10132100211331 |
5 | 123202304044 |
6 | 11240220421 |
7 | 1600560601 |
oct | 436204575 |
9 | 166174084 |
10 | 75041149 |
11 | 393a4587 |
12 | 2116a711 |
13 | 12715261 |
14 | 9d75501 |
15 | 68c4634 |
hex | 479097d |
75041149 has 4 divisors (see below), whose sum is σ = 76786336. Its totient is φ = 73295964.
The previous prime is 75041147. The next prime is 75041167. The reversal of 75041149 is 94114057.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 75041149 - 21 = 75041147 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 75041149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75041147) 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, 872529 + ... + 872614.
It is an arithmetic number, because the mean of its divisors is an integer number (19196584).
Almost surely, 275041149 is an apocalyptic number.
It is an amenable number.
75041149 is a deficient number, since it is larger than the sum of its proper divisors (1745187).
75041149 is a wasteful number, since it uses less digits than its factorization.
75041149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1745186.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 75041149 is about 8662.6294506922. The cubic root of 75041149 is about 421.7934439074.
The spelling of 75041149 in words is "seventy-five million, forty-one thousand, one hundred forty-nine".
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