Base | Representation |
---|---|
bin | 1101101000111… |
… | …0011001010110 |
3 | 10222122101101000 |
4 | 3122032121112 |
5 | 104121100413 |
6 | 5402044130 |
7 | 1263150246 |
oct | 332163126 |
9 | 128571330 |
10 | 57206358 |
11 | 2a322a90 |
12 | 171a9646 |
13 | bb0c521 |
14 | 7851b26 |
15 | 5050073 |
hex | 368e656 |
57206358 has 64 divisors (see below), whose sum is σ = 139680000. Its totient is φ = 17210880.
The previous prime is 57206353. The next prime is 57206371. The reversal of 57206358 is 85360275.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57206353) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114393 + ... + 114891.
It is an arithmetic number, because the mean of its divisors is an integer number (2182500).
Almost surely, 257206358 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57206358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69840000).
57206358 is an abundant number, since it is smaller than the sum of its proper divisors (82473642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57206358 is a wasteful number, since it uses less digits than its factorization.
57206358 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714 (or 708 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 57206358 is about 7563.4884808533. The cubic root of 57206358 is about 385.3139801093.
The spelling of 57206358 in words is "fifty-seven million, two hundred six thousand, three hundred fifty-eight".
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