Search a number
-
+
3678340 = 225183917
BaseRepresentation
bin1110000010000010000100
320220212201211
432002002010
51420201330
6210501204
743160011
oct16020204
96825654
103678340
112092656
121294804
139ba343
146ba708
154c9d2a
hex382084

3678340 has 12 divisors (see below), whose sum is σ = 7724556. Its totient is φ = 1471328.

The previous prime is 3678317. The next prime is 3678347. The reversal of 3678340 is 438763.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 3041536 = 798^2 + 1744^2 .

It is not an unprimeable number, because it can be changed into a prime (3678347) 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, 91939 + ... + 91978.

It is an arithmetic number, because the mean of its divisors is an integer number (643713).

Almost surely, 23678340 is an apocalyptic number.

It is an amenable number.

3678340 is an abundant number, since it is smaller than the sum of its proper divisors (4046216).

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

3678340 is a wasteful number, since it uses less digits than its factorization.

3678340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183926 (or 183924 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3678340 is about 1917.8998931123. The cubic root of 3678340 is about 154.3656348299.

The spelling of 3678340 in words is "three million, six hundred seventy-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 183917 367834 735668 919585 1839170 3678340