Search a number
-
+
4944989 = 7706427
BaseRepresentation
bin10010110111010001011101
3100022020020202
4102313101131
52231214424
6253553245
760013610
oct22672135
910266222
104944989
112878275
1217a5825
131041a3a
1492a177
1567a2ae
hex4b745d

4944989 has 4 divisors (see below), whose sum is σ = 5651424. Its totient is φ = 4238556.

The previous prime is 4944983. The next prime is 4944991. The reversal of 4944989 is 9894494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4944989 - 28 = 4944733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4944983) 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 3 ways as a sum of consecutive naturals, for example, 353207 + ... + 353220.

It is an arithmetic number, because the mean of its divisors is an integer number (1412856).

Almost surely, 24944989 is an apocalyptic number.

It is an amenable number.

4944989 is a deficient number, since it is larger than the sum of its proper divisors (706435).

4944989 is an equidigital number, since it uses as much as digits as its factorization.

4944989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706434.

The product of its digits is 373248, while the sum is 47.

The square root of 4944989 is about 2223.7331224767. The cubic root of 4944989 is about 170.3681640400.

The spelling of 4944989 in words is "four million, nine hundred forty-four thousand, nine hundred eighty-nine".

Divisors: 1 7 706427 4944989