Search a number
-
+
10442513 = 13677639
BaseRepresentation
bin100111110101…
…011100010001
3201122112102202
4213311130101
510133130023
61011452545
7154521434
oct47653421
921575382
1010442513
115992684
1235b7155
132218103
14155b81b
15db4128
hex9f5711

10442513 has 4 divisors (see below), whose sum is σ = 10451520. Its totient is φ = 10433508.

The previous prime is 10442503. The next prime is 10442519. The reversal of 10442513 is 31524401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10442513 - 210 = 10441489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10442519) 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 3 ways as a sum of consecutive naturals, for example, 2453 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (2612880).

Almost surely, 210442513 is an apocalyptic number.

It is an amenable number.

10442513 is a deficient number, since it is larger than the sum of its proper divisors (9007).

10442513 is an equidigital number, since it uses as much as digits as its factorization.

10442513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10442513 is about 3231.4877378694. The cubic root of 10442513 is about 218.5755978081.

Adding to 10442513 its reverse (31524401), we get a palindrome (41966914).

The spelling of 10442513 in words is "ten million, four hundred forty-two thousand, five hundred thirteen".

Divisors: 1 1367 7639 10442513