Search a number
-
+
9290813 = 71916949
BaseRepresentation
bin100011011100…
…010000111101
3122111000121012
4203130100331
54334301223
6531045005
7141653630
oct43342075
918430535
109290813
115276364
123140765
131c03b2c
14133bc17
15c37c78
hex8dc43d

9290813 has 8 divisors (see below), whose sum is σ = 10675200. Its totient is φ = 7920720.

The previous prime is 9290803. The next prime is 9290843. The reversal of 9290813 is 3180929.

9290813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-9290813 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 9290813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9290803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (1334400).

Almost surely, 29290813 is an apocalyptic number.

It is an amenable number.

9290813 is a deficient number, since it is larger than the sum of its proper divisors (1384387).

9290813 is a wasteful number, since it uses less digits than its factorization.

9290813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9290813 is about 3048.0834962317. The cubic root of 9290813 is about 210.2251025379.

The spelling of 9290813 in words is "nine million, two hundred ninety thousand, eight hundred thirteen".

Divisors: 1 7 191 1337 6949 48643 1327259 9290813