Base | Representation |
---|---|
bin | 1100100001110… |
… | …0100110010110 |
3 | 10122212121111000 |
4 | 3020130212112 |
5 | 101422432232 |
6 | 5114124130 |
7 | 1205430111 |
oct | 310344626 |
9 | 118777430 |
10 | 52545942 |
11 | 2772a5a9 |
12 | 15720646 |
13 | ab6a197 |
14 | 6d9b578 |
15 | 492e27c |
hex | 321c996 |
52545942 has 16 divisors (see below), whose sum is σ = 116768880. Its totient is φ = 17515296.
The previous prime is 52545937. The next prime is 52545943. The reversal of 52545942 is 24954525.
52545942 is a `hidden beast` number, since 525 + 45 + 94 + 2 = 666.
It is a super-2 number, since 2×525459422 = 5522152041334728, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52545897 and 52545906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52545943) 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, 486483 + ... + 486590.
It is an arithmetic number, because the mean of its divisors is an integer number (7298055).
Almost surely, 252545942 is an apocalyptic number.
52545942 is an abundant number, since it is smaller than the sum of its proper divisors (64222938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52545942 is a wasteful number, since it uses less digits than its factorization.
52545942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 973084 (or 973078 counting only the distinct ones).
The product of its digits is 72000, while the sum is 36.
The square root of 52545942 is about 7248.8579790199. The cubic root of 52545942 is about 374.5528109372.
The spelling of 52545942 in words is "fifty-two million, five hundred forty-five thousand, nine hundred forty-two".
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