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4990984 = 231135521
BaseRepresentation
bin10011000010100000001000
3100101120100021
4103002200020
52234202414
6254550224
760264655
oct23024010
910346307
104990984
1128a9889
121808374
13105995b
1493cc2c
15688c24
hex4c2808

4990984 has 16 divisors (see below), whose sum is σ = 9442620. Its totient is φ = 2472960.

The previous prime is 4990981. The next prime is 4991009. The reversal of 4990984 is 4890994.

It can be written as a sum of positive squares in 2 ways, for example, as 4088484 + 902500 = 2022^2 + 950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4990984.

It is not an unprimeable number, because it can be changed into a prime (4990981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857 + ... + 3664.

Almost surely, 24990984 is an apocalyptic number.

It is an amenable number.

4990984 is a deficient number, since it is larger than the sum of its proper divisors (4451636).

4990984 is a wasteful number, since it uses less digits than its factorization.

4990984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640 (or 5636 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 4990984 is about 2234.0510289606. The cubic root of 4990984 is about 170.8947518733.

The spelling of 4990984 in words is "four million, nine hundred ninety thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 113 226 452 904 5521 11042 22084 44168 623873 1247746 2495492 4990984