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10313505 = 325229189
BaseRepresentation
bin100111010101…
…111100100001
3201101222110200
4213111330201
510120013010
61005015413
7153443346
oct47257441
921358420
1010313505
115904764
123554569
1321a1487
1415267cd
15d8acc0
hex9d5f21

10313505 has 12 divisors (see below), whose sum is σ = 17876820. Its totient is φ = 5500512.

The previous prime is 10313503. The next prime is 10313519. The reversal of 10313505 is 50531301.

It is a happy number.

10313505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1096209 + 9217296 = 1047^2 + 3036^2 .

It is not a de Polignac number, because 10313505 - 21 = 10313503 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 114550 + ... + 114639.

It is an arithmetic number, because the mean of its divisors is an integer number (1489735).

Almost surely, 210313505 is an apocalyptic number.

10313505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10313505 is a deficient number, since it is larger than the sum of its proper divisors (7563315).

10313505 is a wasteful number, since it uses less digits than its factorization.

10313505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229200 (or 229197 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 10313505 is about 3211.4646191419. The cubic root of 10313505 is about 217.6717628542.

Adding to 10313505 its reverse (50531301), we get a palindrome (60844806).

The spelling of 10313505 in words is "ten million, three hundred thirteen thousand, five hundred five".

Divisors: 1 3 5 9 15 45 229189 687567 1145945 2062701 3437835 10313505