Search a number
-
+
9118061 = 31294131
BaseRepresentation
bin100010110010…
…000101101101
3122011020121222
4202302011231
54313234221
6523233125
7140334161
oct42620555
918136558
109118061
115168597
1230787a5
131b73304
1412d4ca1
15c019ab
hex8b216d

9118061 has 4 divisors (see below), whose sum is σ = 9412224. Its totient is φ = 8823900.

The previous prime is 9118049. The next prime is 9118063. The reversal of 9118061 is 1608119.

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 an emirpimes, since its reverse is a distinct semiprime: 1608119 = 1998081.

It is a cyclic number.

It is not a de Polignac number, because 9118061 - 210 = 9117037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9118061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9118063) 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 3 ways as a sum of consecutive naturals, for example, 147035 + ... + 147096.

It is an arithmetic number, because the mean of its divisors is an integer number (2353056).

Almost surely, 29118061 is an apocalyptic number.

It is an amenable number.

9118061 is a deficient number, since it is larger than the sum of its proper divisors (294163).

9118061 is a wasteful number, since it uses less digits than its factorization.

9118061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294162.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 9118061 is about 3019.6127235127. The cubic root of 9118061 is about 208.9139775564.

The spelling of 9118061 in words is "nine million, one hundred eighteen thousand, sixty-one".

Divisors: 1 31 294131 9118061