Base | Representation |
---|---|
bin | 1101101101001… |
… | …1100001111110 |
3 | 11000011202211000 |
4 | 3123103201332 |
5 | 104204131114 |
6 | 5412111130 |
7 | 1265436654 |
oct | 333234176 |
9 | 130152730 |
10 | 57489534 |
11 | 2a4a6813 |
12 | 173054a6 |
13 | bbab39b |
14 | 78c6dd4 |
15 | 50a8e09 |
hex | 36d387e |
57489534 has 32 divisors (see below), whose sum is σ = 128340000. Its totient is φ = 19075392.
The previous prime is 57489533. The next prime is 57489539. The reversal of 57489534 is 43598475.
It is a self number, because there is not a number n which added to its sum of digits gives 57489534.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57489533) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10042 + ... + 14690.
It is an arithmetic number, because the mean of its divisors is an integer number (4010625).
Almost surely, 257489534 is an apocalyptic number.
57489534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
57489534 is an abundant number, since it is smaller than the sum of its proper divisors (70850466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57489534 is a wasteful number, since it uses less digits than its factorization.
57489534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4889 (or 4883 counting only the distinct ones).
The product of its digits is 604800, while the sum is 45.
The square root of 57489534 is about 7582.1853050423. The cubic root of 57489534 is about 385.9487121670.
The spelling of 57489534 in words is "fifty-seven million, four hundred eighty-nine thousand, five hundred thirty-four".
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