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5438461847 = 71362779521
BaseRepresentation
bin1010001000010100…
…00101011110010111
3112001000102111010212
411010022011132113
542114221234342
62255353040035
7251525106620
oct50412053627
915030374125
105438461847
112340962975
1210793b601b
13688948880
143983d8a47
1521c6b6182
hex144285797

5438461847 has 16 divisors (see below), whose sum is σ = 6695260992. Its totient is φ = 4301821440.

The previous prime is 5438461829. The next prime is 5438461867. The reversal of 5438461847 is 7481648345.

It is not a de Polignac number, because 5438461847 - 210 = 5438460823 is a prime.

It is a super-2 number, since 2×54384618472 = 59153734522549302818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5438461795 and 5438461804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438461807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566447 + ... + 575967.

It is an arithmetic number, because the mean of its divisors is an integer number (418453812).

Almost surely, 25438461847 is an apocalyptic number.

5438461847 is a deficient number, since it is larger than the sum of its proper divisors (1256799145).

5438461847 is a wasteful number, since it uses less digits than its factorization.

5438461847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15818.

The product of its digits is 2580480, while the sum is 50.

The square root of 5438461847 is about 73745.9276638378. The cubic root of 5438461847 is about 1758.5660935138.

The spelling of 5438461847 in words is "five billion, four hundred thirty-eight million, four hundred sixty-one thousand, eight hundred forty-seven".

Divisors: 1 7 13 91 6277 9521 43939 66647 81601 123773 571207 866411 59763317 418343219 776923121 5438461847