Base | Representation |
---|---|
bin | 1010000011001… |
… | …1000010110101 |
3 | 2221022112211112 |
4 | 2200303002311 |
5 | 41242331432 |
6 | 4103244405 |
7 | 1021200320 |
oct | 240630265 |
9 | 87275745 |
10 | 42152117 |
11 | 21880567 |
12 | 12149705 |
13 | 896b2a7 |
14 | 58537b7 |
15 | 3a797b2 |
hex | 28330b5 |
42152117 has 8 divisors (see below), whose sum is σ = 48288576. Its totient is φ = 36044352.
The previous prime is 42152111. The next prime is 42152147. The reversal of 42152117 is 71125124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42152117 - 26 = 42152053 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42152092 and 42152101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42152111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3923 + ... + 9984.
It is an arithmetic number, because the mean of its divisors is an integer number (6036072).
Almost surely, 242152117 is an apocalyptic number.
It is an amenable number.
42152117 is a deficient number, since it is larger than the sum of its proper divisors (6136459).
42152117 is a wasteful number, since it uses less digits than its factorization.
42152117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14347.
The product of its digits is 560, while the sum is 23.
The square root of 42152117 is about 6492.4661724186. The cubic root of 42152117 is about 348.0218118402.
The spelling of 42152117 in words is "forty-two million, one hundred fifty-two thousand, one hundred seventeen".
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