Base | Representation |
---|---|
bin | 1101100110001… |
… | …0110111010010 |
3 | 10222022022210000 |
4 | 3121202313102 |
5 | 104044344200 |
6 | 5354150430 |
7 | 1261505352 |
oct | 331426722 |
9 | 128268700 |
10 | 57028050 |
11 | 2a211022 |
12 | 17122416 |
13 | ba79311 |
14 | 7806b62 |
15 | 5017300 |
hex | 3662dd2 |
57028050 has 60 divisors (see below), whose sum is σ = 158464746. Its totient is φ = 15206400.
The previous prime is 57028039. The next prime is 57028051. The reversal of 57028050 is 5082075.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 50168889 + 6859161 = 7083^2 + 2619^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (57028051) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2991 + ... + 11090.
Almost surely, 257028050 is an apocalyptic number.
57028050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57028050 is an abundant number, since it is smaller than the sum of its proper divisors (101436696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57028050 is a wasteful number, since it uses less digits than its factorization.
57028050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14105 (or 14091 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 57028050 is about 7551.6918634171. The cubic root of 57028050 is about 384.9132316972.
The spelling of 57028050 in words is "fifty-seven million, twenty-eight thousand, fifty".
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