Search a number
-
+
9010013 = 17352081
BaseRepresentation
bin100010010111…
…101101011101
3121221202102012
4202113231131
54301310023
6521041005
7136404155
oct42275535
917852365
109010013
1150a43a1
123026165
131b3608c
1412a7765
15bce978
hex897b5d

9010013 has 4 divisors (see below), whose sum is σ = 9062268. Its totient is φ = 8957760.

The previous prime is 9010007. The next prime is 9010031. The reversal of 9010013 is 3100109.

9010013 = 21222 + 21232.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100109 = 9533253.

It can be written as a sum of positive squares in 2 ways, for example, as 4502884 + 4507129 = 2122^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 9010013 - 212 = 9005917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9010003) 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, 25868 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (2265567).

Almost surely, 29010013 is an apocalyptic number.

9010013 is the 2123-rd centered square number.

It is an amenable number.

9010013 is a deficient number, since it is larger than the sum of its proper divisors (52255).

9010013 is a wasteful number, since it uses less digits than its factorization.

9010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52254.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 9010013 is about 3001.6683694239. The cubic root of 9010013 is about 208.0854940090.

The spelling of 9010013 in words is "nine million, ten thousand, thirteen".

Divisors: 1 173 52081 9010013