Search a number
-
+
9320988 = 223776749
BaseRepresentation
bin100011100011…
…101000011100
3122112112222210
4203203220130
54341232423
6531440420
7142140615
oct43435034
918475883
109320988
115296aa6
123156110
131c147a1
141348c0c
15c41b93
hex8e3a1c

9320988 has 12 divisors (see below), whose sum is σ = 21749000. Its totient is φ = 3106992.

The previous prime is 9320939. The next prime is 9320989. The reversal of 9320988 is 8890239.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×93209882 = 173761634592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9320989) 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, 388363 + ... + 388386.

Almost surely, 29320988 is an apocalyptic number.

It is an amenable number.

9320988 is an abundant number, since it is smaller than the sum of its proper divisors (12428012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9320988 is a wasteful number, since it uses less digits than its factorization.

9320988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776756 (or 776754 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 9320988 is about 3053.0293152867. The cubic root of 9320988 is about 210.4524485282.

The spelling of 9320988 in words is "nine million, three hundred twenty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 776749 1553498 2330247 3106996 4660494 9320988