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5489387689 = 6539538821
BaseRepresentation
bin1010001110011000…
…10110100010101001
3112011120020210021011
411013030112202221
542220240401224
62304412343521
7253014011512
oct50714264251
915146223234
105489387689
112367686245
121092474ba1
136963694c6
143a1093a09
15221dc5394
hex1473168a9

5489387689 has 8 divisors (see below), whose sum is σ = 5504186952. Its totient is φ = 5474609280.

The previous prime is 5489387677. The next prime is 5489387707. The reversal of 5489387689 is 9867839845.

It can be written as a sum of positive squares in 4 ways, for example, as 411400089 + 5077987600 = 20283^2 + 71260^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5489387689 - 215 = 5489354921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5489397689) 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, 617899 + ... + 626719.

It is an arithmetic number, because the mean of its divisors is an integer number (688023369).

Almost surely, 25489387689 is an apocalyptic number.

It is an amenable number.

5489387689 is a deficient number, since it is larger than the sum of its proper divisors (14799263).

5489387689 is an equidigital number, since it uses as much as digits as its factorization.

5489387689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427.

The product of its digits is 104509440, while the sum is 67.

The square root of 5489387689 is about 74090.4021381987. The cubic root of 5489387689 is about 1764.0381289717.

The spelling of 5489387689 in words is "five billion, four hundred eighty-nine million, three hundred eighty-seven thousand, six hundred eighty-nine".

Divisors: 1 653 953 8821 622309 5760113 8406413 5489387689