Search a number
-
+
2489079 = 3829693
BaseRepresentation
bin1001011111101011110111
311200110101010
421133223313
51114122304
6125203303
730104535
oct11375367
94613333
102489079
11145009a
12a00533
13691c38
1448b155
15342789
hex25faf7

2489079 has 4 divisors (see below), whose sum is σ = 3318776. Its totient is φ = 1659384.

The previous prime is 2489077. The next prime is 2489107. The reversal of 2489079 is 9709842.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2489079 - 21 = 2489077 is a prime.

It is a D-number.

It is a Duffinian number.

2489079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489077) 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, 414844 + ... + 414849.

It is an arithmetic number, because the mean of its divisors is an integer number (829694).

22489079 is an apocalyptic number.

2489079 is a deficient number, since it is larger than the sum of its proper divisors (829697).

2489079 is an equidigital number, since it uses as much as digits as its factorization.

2489079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829696.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2489079 is about 1577.6815267981. The cubic root of 2489079 is about 135.5229646584.

The spelling of 2489079 in words is "two million, four hundred eighty-nine thousand, seventy-nine".

Divisors: 1 3 829693 2489079