Base | Representation |
---|---|
bin | 1000111110110… |
… | …01110010111001 |
3 | 12020202201101212 |
4 | 10133121302321 |
5 | 123241402420 |
6 | 11250452505 |
7 | 1603250006 |
oct | 437316271 |
9 | 166681355 |
10 | 75340985 |
11 | 39589885 |
12 | 21294135 |
13 | 127bb885 |
14 | a0128ad |
15 | 69333c5 |
hex | 47d9cb9 |
75340985 has 48 divisors (see below), whose sum is σ = 105356160. Its totient is φ = 51448320.
The previous prime is 75340973. The next prime is 75340999. The reversal of 75340985 is 58904357.
It is not a de Polignac number, because 75340985 - 28 = 75340729 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1837565 + ... + 1837605.
It is an arithmetic number, because the mean of its divisors is an integer number (2194920).
Almost surely, 275340985 is an apocalyptic number.
It is an amenable number.
75340985 is a deficient number, since it is larger than the sum of its proper divisors (30015175).
75340985 is a wasteful number, since it uses less digits than its factorization.
75340985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146 (or 117 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 75340985 is about 8679.9184904007. The cubic root of 75340985 is about 422.3544729476.
The spelling of 75340985 in words is "seventy-five million, three hundred forty thousand, nine hundred eighty-five".
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