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10305045 = 325733137
BaseRepresentation
bin100111010011…
…111000010101
3201101112212100
4213103320111
510114230140
61004512313
7153406602
oct47237025
921345770
1010305045
1158a9373
12354b699
13219a67a
1415236a9
15d88530
hex9d3e15

10305045 has 24 divisors (see below), whose sum is σ = 18112536. Its totient is φ = 5419008.

The previous prime is 10305017. The next prime is 10305059. The reversal of 10305045 is 54050301.

It can be written as a sum of positive squares in 4 ways, for example, as 4588164 + 5716881 = 2142^2 + 2391^2 .

It is not a de Polignac number, because 10305045 - 25 = 10305013 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1717 + ... + 4853.

It is an arithmetic number, because the mean of its divisors is an integer number (754689).

Almost surely, 210305045 is an apocalyptic number.

10305045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10305045 is a deficient number, since it is larger than the sum of its proper divisors (7807491).

10305045 is a wasteful number, since it uses less digits than its factorization.

10305045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 10305045 is about 3210.1471928870. The cubic root of 10305045 is about 217.6122290403.

Adding to 10305045 its reverse (54050301), we get a palindrome (64355346).

The spelling of 10305045 in words is "ten million, three hundred five thousand, forty-five".

Divisors: 1 3 5 9 15 45 73 219 365 657 1095 3137 3285 9411 15685 28233 47055 141165 229001 687003 1145005 2061009 3435015 10305045