Base | Representation |
---|---|
bin | 1010001000111… |
… | …0111001010111 |
3 | 2222000122220211 |
4 | 2202032321113 |
5 | 41341401333 |
6 | 4115310251 |
7 | 1024325224 |
oct | 242167127 |
9 | 88018824 |
10 | 42528343 |
11 | 220081a0 |
12 | 122ab387 |
13 | 8a70600 |
14 | 591094b |
15 | 3b00ecd |
hex | 288ee57 |
42528343 has 12 divisors (see below), whose sum is σ = 50240088. Its totient is φ = 35686560.
The previous prime is 42528337. The next prime is 42528347. The reversal of 42528343 is 34382524.
It is a de Polignac number, because none of the positive numbers 2k-42528343 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 (42528347) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9580 + ... + 13297.
It is an arithmetic number, because the mean of its divisors is an integer number (4186674).
Almost surely, 242528343 is an apocalyptic number.
42528343 is a deficient number, since it is larger than the sum of its proper divisors (7711745).
42528343 is a wasteful number, since it uses less digits than its factorization.
42528343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22914 (or 22901 counting only the distinct ones).
The product of its digits is 23040, while the sum is 31.
The square root of 42528343 is about 6521.3758517663. The cubic root of 42528343 is about 349.0541619211.
The spelling of 42528343 in words is "forty-two million, five hundred twenty-eight thousand, three hundred forty-three".
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