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2668938 = 232811583
BaseRepresentation
bin1010001011100110001010
312000121002120
422023212022
51140401223
6133112110
731454106
oct12134612
95017076
102668938
111563238
12a88636
13725a6c
144d6906
1537abe3
hex28b98a

2668938 has 16 divisors (see below), whose sum is σ = 5360256. Its totient is φ = 885920.

The previous prime is 2668931. The next prime is 2668993. The reversal of 2668938 is 8398662.

It is a d-powerful number, because it can be written as 219 + 6 + 66 + 83 + 92 + 35 + 87 .

It is a self number, because there is not a number n which added to its sum of digits gives 2668938.

It is not an unprimeable number, because it can be changed into a prime (2668931) 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, 895 + ... + 2477.

It is an arithmetic number, because the mean of its divisors is an integer number (335016).

22668938 is an apocalyptic number.

2668938 is an abundant number, since it is smaller than the sum of its proper divisors (2691318).

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

2668938 is a wasteful number, since it uses less digits than its factorization.

2668938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869.

The product of its digits is 124416, while the sum is 42.

The square root of 2668938 is about 1633.6884647937. The cubic root of 2668938 is about 138.7116150616.

The spelling of 2668938 in words is "two million, six hundred sixty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 281 562 843 1583 1686 3166 4749 9498 444823 889646 1334469 2668938