Search a number
-
+
2668379 = 71920063
BaseRepresentation
bin1010001011011101011011
312000120022212
422023131123
51140342004
6133105335
731452350
oct12133533
95016285
102668379
11156287a
12a8824b
1372572c
144d6627
1537a96e
hex28b75b

2668379 has 8 divisors (see below), whose sum is σ = 3210240. Its totient is φ = 2166696.

The previous prime is 2668363. The next prime is 2668399. The reversal of 2668379 is 9738662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2668379 - 24 = 2668363 is a prime.

It is a d-powerful number, because it can be written as 219 + 63 + 66 + 87 + 32 + 72 + 9 .

It is not an unprimeable number, because it can be changed into a prime (2668399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9899 + ... + 10164.

It is an arithmetic number, because the mean of its divisors is an integer number (401280).

22668379 is an apocalyptic number.

2668379 is a deficient number, since it is larger than the sum of its proper divisors (541861).

2668379 is a wasteful number, since it uses less digits than its factorization.

2668379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089.

The product of its digits is 108864, while the sum is 41.

The square root of 2668379 is about 1633.5173705841. The cubic root of 2668379 is about 138.7019301598.

It can be divided in two parts, 26683 and 79, that added together give a palindrome (26762).

The spelling of 2668379 in words is "two million, six hundred sixty-eight thousand, three hundred seventy-nine".

Divisors: 1 7 19 133 20063 140441 381197 2668379