Base | Representation |
---|---|
bin | 1001000001000… |
… | …00001001011001 |
3 | 12021022100200110 |
4 | 10200200021121 |
5 | 123330113040 |
6 | 11300554533 |
7 | 1605560064 |
oct | 440401131 |
9 | 167270613 |
10 | 75629145 |
11 | 39766329 |
12 | 213b2a49 |
13 | 1288ca97 |
14 | a0898db |
15 | 698d980 |
hex | 4820259 |
75629145 has 16 divisors (see below), whose sum is σ = 123291072. Its totient is φ = 39574080.
The previous prime is 75629137. The next prime is 75629159. The reversal of 75629145 is 54192657.
It is not a de Polignac number, because 75629145 - 23 = 75629137 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46771 + ... + 48360.
It is an arithmetic number, because the mean of its divisors is an integer number (7705692).
Almost surely, 275629145 is an apocalyptic number.
It is an amenable number.
75629145 is a deficient number, since it is larger than the sum of its proper divisors (47661927).
75629145 is a wasteful number, since it uses less digits than its factorization.
75629145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95192.
The product of its digits is 75600, while the sum is 39.
The square root of 75629145 is about 8696.5018829412. The cubic root of 75629145 is about 422.8922538533.
The spelling of 75629145 in words is "seventy-five million, six hundred twenty-nine thousand, one hundred forty-five".
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