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5481988 = 227091933
BaseRepresentation
bin10100111010011000000100
3101022111212121
4110322120010
52400410423
6313255324
764411321
oct24723004
911274777
105481988
113104776
121a04544
13119c2a5
14a29b48
1573445d
hex53a604

5481988 has 12 divisors (see below), whose sum is σ = 9611980. Its totient is φ = 2735712.

The previous prime is 5481967. The next prime is 5481989. The reversal of 5481988 is 8891845.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 3356224 = 1458^2 + 1832^2 .

It is not an unprimeable number, because it can be changed into a prime (5481989) 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, 1870 + ... + 3802.

Almost surely, 25481988 is an apocalyptic number.

It is an amenable number.

5481988 is a deficient number, since it is larger than the sum of its proper divisors (4129992).

5481988 is a wasteful number, since it uses less digits than its factorization.

5481988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2644 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 5481988 is about 2341.3645593969. The cubic root of 5481988 is about 176.3245132013.

The spelling of 5481988 in words is "five million, four hundred eighty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 709 1418 1933 2836 3866 7732 1370497 2740994 5481988