Search a number
-
+
5513081 = 7857919
BaseRepresentation
bin10101000001111101111001
3101101002112012
4111001331321
52402404311
6314055305
764601060
oct25017571
911332465
105513081
113126072
121a1a535
1311b04a2
14a371d7
1573d78b
hex541f79

5513081 has 8 divisors (see below), whose sum is σ = 6314880. Its totient is φ = 4714848.

The previous prime is 5513063. The next prime is 5513089. The reversal of 5513081 is 1803155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5513081 is a prime.

It is a super-2 number, since 2×55130812 = 60788124225122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513089) 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 7 ways as a sum of consecutive naturals, for example, 5540 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (789360).

Almost surely, 25513081 is an apocalyptic number.

It is an amenable number.

5513081 is a deficient number, since it is larger than the sum of its proper divisors (801799).

5513081 is an equidigital number, since it uses as much as digits as its factorization.

5513081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5513081 is about 2347.9951022095. The cubic root of 5513081 is about 176.6572468376.

Adding to 5513081 its sum of digits (23), we get a square (5513104 = 23482).

The spelling of 5513081 in words is "five million, five hundred thirteen thousand, eighty-one".

Divisors: 1 7 857 919 5999 6433 787583 5513081