Base | Representation |
---|---|
bin | 1000111111111… |
… | …00000011000101 |
3 | 12021000211212011 |
4 | 10133330003011 |
5 | 123310400120 |
6 | 11253454221 |
7 | 1604403025 |
oct | 437740305 |
9 | 167024764 |
10 | 75481285 |
11 | 39675230 |
12 | 21341371 |
13 | 1283a6a9 |
14 | a04ba85 |
15 | 695ec5a |
hex | 47fc0c5 |
75481285 has 16 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 52507840.
The previous prime is 75481267. The next prime is 75481291. The reversal of 75481285 is 58218457.
It is not a de Polignac number, because 75481285 - 29 = 75480773 is a prime.
It is a congruent 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, 28570 + ... + 31099.
It is an arithmetic number, because the mean of its divisors is an integer number (6444360).
Almost surely, 275481285 is an apocalyptic number.
It is an amenable number.
75481285 is a deficient number, since it is larger than the sum of its proper divisors (27628475).
75481285 is a wasteful number, since it uses less digits than its factorization.
75481285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59708.
The product of its digits is 89600, while the sum is 40.
The square root of 75481285 is about 8687.9966045113. The cubic root of 75481285 is about 422.6164799113.
The spelling of 75481285 in words is "seventy-five million, four hundred eighty-one thousand, two hundred eighty-five".
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