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5439769 = 8961121
BaseRepresentation
bin10100110000000100011001
3101020100221221
4110300010121
52343033034
6312332041
764144246
oct24600431
911210857
105439769
113085a85
1219a4021
131185cca
14a185cd
15726bb4
hex530119

5439769 has 4 divisors (see below), whose sum is σ = 5500980. Its totient is φ = 5378560.

The previous prime is 5439767. The next prime is 5439781. The reversal of 5439769 is 9679345.

5439769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 5004169 = 660^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 5439769 - 21 = 5439767 is a prime.

It is a super-2 number, since 2×54397692 = 59182173546722, which contains 22 as substring.

It is a Duffinian number.

5439769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5439767) 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, 30472 + ... + 30649.

It is an arithmetic number, because the mean of its divisors is an integer number (1375245).

Almost surely, 25439769 is an apocalyptic number.

It is an amenable number.

5439769 is a deficient number, since it is larger than the sum of its proper divisors (61211).

5439769 is an equidigital number, since it uses as much as digits as its factorization.

5439769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61210.

The product of its digits is 204120, while the sum is 43.

The square root of 5439769 is about 2332.3312371960. The cubic root of 5439769 is about 175.8706974696.

The spelling of 5439769 in words is "five million, four hundred thirty-nine thousand, seven hundred sixty-nine".

Divisors: 1 89 61121 5439769