Base | Representation |
---|---|
bin | 100111010011… |
… | …111000100001 |
3 | 201101112212210 |
4 | 213103320201 |
5 | 10114230212 |
6 | 1004512333 |
7 | 153406620 |
oct | 47237041 |
9 | 21345783 |
10 | 10305057 |
11 | 58a9384 |
12 | 354b6a9 |
13 | 219a689 |
14 | 15236b7 |
15 | d8853c |
hex | 9d3e21 |
10305057 has 16 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 5871360.
The previous prime is 10305017. The next prime is 10305059. The reversal of 10305057 is 75050301.
It is a happy number.
10305057 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10305057 - 210 = 10304033 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (10305059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11257 + ... + 12137.
It is an arithmetic number, because the mean of its divisors is an integer number (984312).
Almost surely, 210305057 is an apocalyptic number.
It is an amenable number.
10305057 is a deficient number, since it is larger than the sum of its proper divisors (5443935).
10305057 is an equidigital number, since it uses as much as digits as its factorization.
10305057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1448.
The product of its (nonzero) digits is 525, while the sum is 21.
The square root of 10305057 is about 3210.1490619596. The cubic root of 10305057 is about 217.6123135085.
Adding to 10305057 its reverse (75050301), we get a palindrome (85355358).
The spelling of 10305057 in words is "ten million, three hundred five thousand, fifty-seven".
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