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5388989 = 19283631
BaseRepresentation
bin10100100011101010111101
3101010210022012
4110203222331
52334421424
6311301005
763543224
oct24435275
911123265
105388989
113050911
12197a765
131168b68
14a03cbb
15716b0e
hex523abd

5388989 has 4 divisors (see below), whose sum is σ = 5672640. Its totient is φ = 5105340.

The previous prime is 5388961. The next prime is 5388997. The reversal of 5388989 is 9898835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5388989 - 216 = 5323453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5388919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141797 + ... + 141834.

It is an arithmetic number, because the mean of its divisors is an integer number (1418160).

Almost surely, 25388989 is an apocalyptic number.

It is an amenable number.

5388989 is a deficient number, since it is larger than the sum of its proper divisors (283651).

5388989 is a wasteful number, since it uses less digits than its factorization.

5388989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283650.

The product of its digits is 622080, while the sum is 50.

The square root of 5388989 is about 2321.4196087739. The cubic root of 5388989 is about 175.3217373753.

The spelling of 5388989 in words is "five million, three hundred eighty-eight thousand, nine hundred eighty-nine".

Divisors: 1 19 283631 5388989