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4789249 is a prime number
BaseRepresentation
bin10010010001010000000001
3100000022121121
4102101100001
52211223444
6250352241
755464553
oct22212001
910008547
104789249
112781263
12172b681
13cb8b9a
148c94d3
15649084
hex491401

4789249 has 2 divisors, whose sum is σ = 4789250. Its totient is φ = 4789248.

The previous prime is 4789247. The next prime is 4789277. The reversal of 4789249 is 9429874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 294849 = 2120^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 4789249 - 21 = 4789247 is a prime.

Together with 4789247, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 46 + 73 + 8 + 95 + 23 + 411 + 96 .

It is not a weakly prime, because it can be changed into another prime (4789241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394624 + 2394625.

It is an arithmetic number, because the mean of its divisors is an integer number (2394625).

Almost surely, 24789249 is an apocalyptic number.

It is an amenable number.

4789249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4789249 is an equidigital number, since it uses as much as digits as its factorization.

4789249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 4789249 is about 2188.4352857693. The cubic root of 4789249 is about 168.5604980190.

The spelling of 4789249 in words is "four million, seven hundred eighty-nine thousand, two hundred forty-nine".