Base | Representation |
---|---|
bin | 1000111101010… |
… | …01000100001011 |
3 | 12020101120121100 |
4 | 10132221010023 |
5 | 123214011022 |
6 | 11242312443 |
7 | 1601456046 |
oct | 436510413 |
9 | 166346540 |
10 | 75141387 |
11 | 39462922 |
12 | 211b8723 |
13 | 1274ba79 |
14 | 9d9dc5d |
15 | 68e41ac |
hex | 47a910b |
75141387 has 6 divisors (see below), whose sum is σ = 108537572. Its totient is φ = 50094252.
The previous prime is 75141383. The next prime is 75141401. The reversal of 75141387 is 78314157.
75141387 is a `hidden beast` number, since 7 + 514 + 138 + 7 = 666.
It is not a de Polignac number, because 75141387 - 22 = 75141383 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75141383) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4174513 + ... + 4174530.
Almost surely, 275141387 is an apocalyptic number.
75141387 is a deficient number, since it is larger than the sum of its proper divisors (33396185).
75141387 is a wasteful number, since it uses less digits than its factorization.
75141387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8349049 (or 8349046 counting only the distinct ones).
The product of its digits is 23520, while the sum is 36.
The square root of 75141387 is about 8668.4131765854. The cubic root of 75141387 is about 421.9811672226.
The spelling of 75141387 in words is "seventy-five million, one hundred forty-one thousand, three hundred eighty-seven".
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