Base | Representation |
---|---|
bin | 1101101000110… |
… | …1000110011111 |
3 | 10222122010002121 |
4 | 3122031012133 |
5 | 104120413210 |
6 | 5402003411 |
7 | 1263125632 |
oct | 332150637 |
9 | 128563077 |
10 | 57201055 |
11 | 2a319aaa |
12 | 171a6567 |
13 | bb09ca2 |
14 | 784dc19 |
15 | 504d6da |
hex | 368d19f |
57201055 has 4 divisors (see below), whose sum is σ = 68641272. Its totient is φ = 45760840.
The previous prime is 57201041. The next prime is 57201083. The reversal of 57201055 is 55010275.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 57201055 - 29 = 57200543 is a prime.
It is a super-2 number, since 2×572010552 = 6543921386226050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5720101 + ... + 5720110.
It is an arithmetic number, because the mean of its divisors is an integer number (17160318).
Almost surely, 257201055 is an apocalyptic number.
57201055 is a deficient number, since it is larger than the sum of its proper divisors (11440217).
57201055 is a wasteful number, since it uses less digits than its factorization.
57201055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11440216.
The product of its (nonzero) digits is 1750, while the sum is 25.
The square root of 57201055 is about 7563.1379069801. The cubic root of 57201055 is about 385.3020736054.
The spelling of 57201055 in words is "fifty-seven million, two hundred one thousand, fifty-five".
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