Base | Representation |
---|---|
bin | 1101101001011… |
… | …1111001111110 |
3 | 10222201100210200 |
4 | 3122113321332 |
5 | 104123322220 |
6 | 5402544330 |
7 | 1263401643 |
oct | 332277176 |
9 | 128640720 |
10 | 57245310 |
11 | 2a34a281 |
12 | 172080a6 |
13 | bb24185 |
14 | 7861dca |
15 | 505b890 |
hex | 3697e7e |
57245310 has 24 divisors (see below), whose sum is σ = 148838040. Its totient is φ = 15265392.
The previous prime is 57245303. The next prime is 57245317. The reversal of 57245310 is 1354275.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (57245303) and next prime (57245317).
It is a super-2 number, since 2×572453102 = 6554051033992200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57245317) 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, 317940 + ... + 318119.
It is an arithmetic number, because the mean of its divisors is an integer number (6201585).
Almost surely, 257245310 is an apocalyptic number.
57245310 is an abundant number, since it is smaller than the sum of its proper divisors (91592730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57245310 is a wasteful number, since it uses less digits than its factorization.
57245310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636072 (or 636069 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 57245310 is about 7566.0630449396. The cubic root of 57245310 is about 385.4014141257.
Adding to 57245310 its reverse (1354275), we get a palindrome (58599585).
The spelling of 57245310 in words is "fifty-seven million, two hundred forty-five thousand, three hundred ten".
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