Search a number
-
+
4048979 = 11368089
BaseRepresentation
bin1111011100100001010011
321121201011012
433130201103
52014031404
6222441135
746262414
oct17344123
97551135
104048979
112316070
1214331ab
13ab9c5c
1477580b
1554ea6e
hex3dc853

4048979 has 4 divisors (see below), whose sum is σ = 4417080. Its totient is φ = 3680880.

The previous prime is 4048973. The next prime is 4048991. The reversal of 4048979 is 9798404.

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

It is a cyclic number.

It is not a de Polignac number, because 4048979 - 212 = 4044883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048973) 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, 184034 + ... + 184055.

It is an arithmetic number, because the mean of its divisors is an integer number (1104270).

Almost surely, 24048979 is an apocalyptic number.

4048979 is a deficient number, since it is larger than the sum of its proper divisors (368101).

4048979 is a wasteful number, since it uses less digits than its factorization.

4048979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368100.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4048979 is about 2012.2074942709. The cubic root of 4048979 is about 159.3853895060.

The spelling of 4048979 in words is "four million, forty-eight thousand, nine hundred seventy-nine".

Divisors: 1 11 368089 4048979