Base | Representation |
---|---|
bin | 1101011000101… |
… | …0000110110111 |
3 | 10220122012220020 |
4 | 3112022012313 |
5 | 103332441330 |
6 | 5323140223 |
7 | 1251120045 |
oct | 326120667 |
9 | 126565806 |
10 | 56140215 |
11 | 29764a7a |
12 | 16974673 |
13 | b828181 |
14 | 7655395 |
15 | 4dde210 |
hex | 358a1b7 |
56140215 has 8 divisors (see below), whose sum is σ = 89824368. Its totient is φ = 29941440.
The previous prime is 56140207. The next prime is 56140229. The reversal of 56140215 is 51204165.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56140215 - 23 = 56140207 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871326 + ... + 1871355.
It is an arithmetic number, because the mean of its divisors is an integer number (11228046).
Almost surely, 256140215 is an apocalyptic number.
56140215 is a deficient number, since it is larger than the sum of its proper divisors (33684153).
56140215 is a wasteful number, since it uses less digits than its factorization.
56140215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3742689.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 56140215 is about 7492.6774253267. The cubic root of 56140215 is about 382.9052819061.
The spelling of 56140215 in words is "fifty-six million, one hundred forty thousand, two hundred fifteen".
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