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10300505 = 52060101
BaseRepresentation
bin100111010010…
…110001011001
3201101022122012
4213102301121
510114104010
61004435305
7153360425
oct47226131
921338565
1010300505
1158a5a16
123548b35
132198597
141521b85
15d87005
hex9d2c59

10300505 has 4 divisors (see below), whose sum is σ = 12360612. Its totient is φ = 8240400.

The previous prime is 10300501. The next prime is 10300523. The reversal of 10300505 is 50500301.

10300505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5442889 + 4857616 = 2333^2 + 2204^2 .

It is not a de Polignac number, because 10300505 - 22 = 10300501 is a prime.

It is a super-2 number, since 2×103005052 = 212200806510050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10300505.

It is not an unprimeable number, because it can be changed into a prime (10300501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030046 + ... + 1030055.

It is an arithmetic number, because the mean of its divisors is an integer number (3090153).

Almost surely, 210300505 is an apocalyptic number.

It is an amenable number.

10300505 is a deficient number, since it is larger than the sum of its proper divisors (2060107).

10300505 is an equidigital number, since it uses as much as digits as its factorization.

10300505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060106.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 10300505 is about 3209.4399823022. The cubic root of 10300505 is about 217.5802671989.

Adding to 10300505 its reverse (50500301), we get a palindrome (60800806).

The spelling of 10300505 in words is "ten million, three hundred thousand, five hundred five".

Divisors: 1 5 2060101 10300505