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4973649 = 31987257
BaseRepresentation
bin10010111110010001010001
3100100200120020
4102332101101
52233124044
6254334053
760163302
oct22762121
910320506
104973649
11289785a
1217ba329
131051ab5
149367a9
15683a19
hex4be451

4973649 has 8 divisors (see below), whose sum is σ = 6980640. Its totient is φ = 3141216.

The previous prime is 4973627. The next prime is 4973653. The reversal of 4973649 is 9463794.

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

It is not a de Polignac number, because 4973649 - 28 = 4973393 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4973649.

It is not an unprimeable number, because it can be changed into a prime (4973249) 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 7 ways as a sum of consecutive naturals, for example, 43572 + ... + 43685.

It is an arithmetic number, because the mean of its divisors is an integer number (872580).

Almost surely, 24973649 is an apocalyptic number.

It is an amenable number.

4973649 is a deficient number, since it is larger than the sum of its proper divisors (2006991).

4973649 is a wasteful number, since it uses less digits than its factorization.

4973649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87279.

The product of its digits is 163296, while the sum is 42.

The square root of 4973649 is about 2230.1679308967. The cubic root of 4973649 is about 170.6966682249.

The spelling of 4973649 in words is "four million, nine hundred seventy-three thousand, six hundred forty-nine".

Divisors: 1 3 19 57 87257 261771 1657883 4973649