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4800249 = 33177787
BaseRepresentation
bin10010010011111011111001
3100000212201000
4102103323321
52212101444
6250515213
755541616
oct22237371
910025630
104800249
112789553
121735b09
13cc0bac
148cd50d
1564c469
hex493ef9

4800249 has 8 divisors (see below), whose sum is σ = 7111520. Its totient is φ = 3200148.

The previous prime is 4800241. The next prime is 4800253. The reversal of 4800249 is 9420084.

It is not a de Polignac number, because 4800249 - 23 = 4800241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 177787 = 4800249 / (4 + 8 + 0 + 0 + 2 + 4 + 9).

It is a d-powerful number, because it can be written as 44 + 83 + 0 + 0 + 27 + 47 + 97 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4800241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88867 + ... + 88920.

It is an arithmetic number, because the mean of its divisors is an integer number (888940).

Almost surely, 24800249 is an apocalyptic number.

It is an amenable number.

4800249 is a deficient number, since it is larger than the sum of its proper divisors (2311271).

4800249 is a wasteful number, since it uses less digits than its factorization.

4800249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177796 (or 177790 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4800249 is about 2190.9470554991. The cubic root of 4800249 is about 168.6894498812.

The spelling of 4800249 in words is "four million, eight hundred thousand, two hundred forty-nine".

Divisors: 1 3 9 27 177787 533361 1600083 4800249