Base | Representation |
---|---|
bin | 1000111110010… |
… | …11011010100111 |
3 | 12020122201121110 |
4 | 10133023122213 |
5 | 123233011322 |
6 | 11245320103 |
7 | 1602613206 |
oct | 437133247 |
9 | 166581543 |
10 | 75282087 |
11 | 39549601 |
12 | 21266033 |
13 | 1279ab1a |
14 | 9dd923d |
15 | 6920c0c |
hex | 47cb6a7 |
75282087 has 8 divisors (see below), whose sum is σ = 103089136. Its totient is φ = 48831552.
The previous prime is 75282073. The next prime is 75282127. The reversal of 75282087 is 78028257.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-75282087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75282007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338998 + ... + 339219.
It is an arithmetic number, because the mean of its divisors is an integer number (12886142).
Almost surely, 275282087 is an apocalyptic number.
75282087 is a deficient number, since it is larger than the sum of its proper divisors (27807049).
75282087 is a wasteful number, since it uses less digits than its factorization.
75282087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678257.
The product of its (nonzero) digits is 62720, while the sum is 39.
The square root of 75282087 is about 8676.5250532687. The cubic root of 75282087 is about 422.2443853735.
The spelling of 75282087 in words is "seventy-five million, two hundred eighty-two thousand, eighty-seven".
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