Base | Representation |
---|---|
bin | 1101101010000… |
… | …0011000110110 |
3 | 10222210010110111 |
4 | 3122200120312 |
5 | 104130430204 |
6 | 5403413234 |
7 | 1263605146 |
oct | 332403066 |
9 | 128703414 |
10 | 57280054 |
11 | 2a373397 |
12 | 1722421a |
13 | bb36c30 |
14 | 7870926 |
15 | 5066d04 |
hex | 36a0636 |
57280054 has 8 divisors (see below), whose sum is σ = 92529360. Its totient is φ = 26436936.
The previous prime is 57280007. The next prime is 57280061. The reversal of 57280054 is 45008275.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 57279998 and 57280025.
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, 1101514 + ... + 1101565.
It is an arithmetic number, because the mean of its divisors is an integer number (11566170).
Almost surely, 257280054 is an apocalyptic number.
57280054 is a deficient number, since it is larger than the sum of its proper divisors (35249306).
57280054 is a wasteful number, since it uses less digits than its factorization.
57280054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2203094.
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 57280054 is about 7568.3587388548. The cubic root of 57280054 is about 385.4793691502.
The spelling of 57280054 in words is "fifty-seven million, two hundred eighty thousand, fifty-four".
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