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4492979 = 19722807
BaseRepresentation
bin10001001000111010110011
322110021012122
4101020322303
52122233404
6240144455
753122031
oct21107263
98407178
104492979
112599707
12160812b
13c1408a
1484d551
155db3be
hex448eb3

4492979 has 4 divisors (see below), whose sum is σ = 4515984. Its totient is φ = 4469976.

The previous prime is 4492927. The next prime is 4492997. The reversal of 4492979 is 9792944.

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 4492979 - 28 = 4492723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4492919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11207 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (1128996).

Almost surely, 24492979 is an apocalyptic number.

4492979 is a deficient number, since it is larger than the sum of its proper divisors (23005).

4492979 is a wasteful number, since it uses less digits than its factorization.

4492979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004.

The product of its digits is 163296, while the sum is 44.

The square root of 4492979 is about 2119.6648319959. The cubic root of 4492979 is about 165.0104554134.

The spelling of 4492979 in words is "four million, four hundred ninety-two thousand, nine hundred seventy-nine".

Divisors: 1 197 22807 4492979