Base | Representation |
---|---|
bin | 1101101011100… |
… | …1000001010001 |
3 | 10222222020212012 |
4 | 3122321001101 |
5 | 104142142240 |
6 | 5405512305 |
7 | 1264505246 |
oct | 332710121 |
9 | 128866765 |
10 | 57380945 |
11 | 2a432176 |
12 | 17272695 |
13 | bb70b2b |
14 | 78995cd |
15 | 5086b65 |
hex | 36b9051 |
57380945 has 8 divisors (see below), whose sum is σ = 68991936. Its totient is φ = 45814896.
The previous prime is 57380923. The next prime is 57380951. The reversal of 57380945 is 54908375.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57380945 - 210 = 57379921 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8357 + ... + 13586.
It is an arithmetic number, because the mean of its divisors is an integer number (8623992).
Almost surely, 257380945 is an apocalyptic number.
It is an amenable number.
57380945 is a deficient number, since it is larger than the sum of its proper divisors (11610991).
57380945 is a wasteful number, since it uses less digits than its factorization.
57380945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22471.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 57380945 is about 7575.0211220828. The cubic root of 57380945 is about 385.7055595060.
It can be divided in two parts, 573 and 80945, that added together give a palindrome (81518).
The spelling of 57380945 in words is "fifty-seven million, three hundred eighty thousand, nine hundred forty-five".
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