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8329940 = 225416497
BaseRepresentation
bin11111110001101011010100
3120200012112022
4133301223110
54113024230
6454312312
7130542353
oct37615324
916605468
108329940
11477a453
122958698
131958678
14116b99a
15ae81e5
hex7f1ad4

8329940 has 12 divisors (see below), whose sum is σ = 17492916. Its totient is φ = 3331968.

The previous prime is 8329939. The next prime is 8329969. The reversal of 8329940 is 499238.

8329940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2347024 + 5982916 = 1532^2 + 2446^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8329940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208229 + ... + 208268.

It is an arithmetic number, because the mean of its divisors is an integer number (1457743).

Almost surely, 28329940 is an apocalyptic number.

It is an amenable number.

8329940 is an abundant number, since it is smaller than the sum of its proper divisors (9162976).

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

8329940 is a wasteful number, since it uses less digits than its factorization.

8329940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416506 (or 416504 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8329940 is about 2886.1635435297. The cubic root of 8329940 is about 202.7125441980.

The spelling of 8329940 in words is "eight million, three hundred twenty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 416497 832994 1665988 2082485 4164970 8329940