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10520313 = 34185531
BaseRepresentation
bin101000001000…
…011011111001
3201210111011020
4220020123321
510143122223
61013253053
7155264316
oct50103371
921714136
1010520313
115a36081
123634189
13224464b
14157bd0d
15dcc1e3
hexa086f9

10520313 has 8 divisors (see below), whose sum is σ = 14369376. Its totient is φ = 6842400.

The previous prime is 10520309. The next prime is 10520371. The reversal of 10520313 is 31302501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10520313 - 22 = 10520309 is a prime.

It is a super-2 number, since 2×105203132 = 221353971235938, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10520292 and 10520301.

It is not an unprimeable number, because it can be changed into a prime (10520383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42643 + ... + 42888.

It is an arithmetic number, because the mean of its divisors is an integer number (1796172).

Almost surely, 210520313 is an apocalyptic number.

It is an amenable number.

10520313 is a deficient number, since it is larger than the sum of its proper divisors (3849063).

10520313 is an equidigital number, since it uses as much as digits as its factorization.

10520313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85575.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 10520313 is about 3243.5031987035. The cubic root of 10520313 is about 219.1170742430.

Adding to 10520313 its reverse (31302501), we get a palindrome (41822814).

The spelling of 10520313 in words is "ten million, five hundred twenty thousand, three hundred thirteen".

Divisors: 1 3 41 123 85531 256593 3506771 10520313