Base | Representation |
---|---|
bin | 1010000100101… |
… | …0101000001011 |
3 | 2221111110100020 |
4 | 2201022220023 |
5 | 41303424330 |
6 | 4105311523 |
7 | 1022052045 |
oct | 241125013 |
9 | 87443306 |
10 | 42248715 |
11 | 219370a3 |
12 | 121955a3 |
13 | 89a3252 |
14 | 587aa95 |
15 | 3a98210 |
hex | 284aa0b |
42248715 has 8 divisors (see below), whose sum is σ = 67597968. Its totient is φ = 22532640.
The previous prime is 42248707. The next prime is 42248729. The reversal of 42248715 is 51784224.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42248715 - 23 = 42248707 is a prime.
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, 1408276 + ... + 1408305.
It is an arithmetic number, because the mean of its divisors is an integer number (8449746).
Almost surely, 242248715 is an apocalyptic number.
42248715 is a deficient number, since it is larger than the sum of its proper divisors (25349253).
42248715 is a wasteful number, since it uses less digits than its factorization.
42248715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2816589.
The product of its digits is 17920, while the sum is 33.
The square root of 42248715 is about 6499.9011530946. The cubic root of 42248715 is about 348.2874573609.
The spelling of 42248715 in words is "forty-two million, two hundred forty-eight thousand, seven hundred fifteen".
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