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4890249 = 327213853
BaseRepresentation
bin10010101001111010001001
3100012110011100
4102221322021
52222441444
6252452013
756365200
oct22517211
910173140
104890249
112840131
12177a009
131022b50
14914237
15668e69
hex4a9e89

4890249 has 36 divisors (see below), whose sum is σ = 8859396. Its totient is φ = 2576448.

The previous prime is 4890247. The next prime is 4890251. The reversal of 4890249 is 9420984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4890247) and next prime (4890251).

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 4410000 = 693^2 + 2100^2 .

It is not a de Polignac number, because 4890249 - 21 = 4890247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4890247) 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 35 ways as a sum of consecutive naturals, for example, 5307 + ... + 6159.

Almost surely, 24890249 is an apocalyptic number.

4890249 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4890249 is a deficient number, since it is larger than the sum of its proper divisors (3969147).

4890249 is a wasteful number, since it uses less digits than its factorization.

4890249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4890249 is about 2211.3907388790. The cubic root of 4890249 is about 169.7371832885.

The spelling of 4890249 in words is "four million, eight hundred ninety thousand, two hundred forty-nine".

Divisors: 1 3 7 9 13 21 39 49 63 91 117 147 273 441 637 819 853 1911 2559 5733 5971 7677 11089 17913 33267 41797 53739 77623 99801 125391 232869 376173 543361 698607 1630083 4890249