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5208461838 = 234311037129
BaseRepresentation
bin1001101100111001…
…01101001000001110
3111102222122021110000
410312130231020032
541131331234323
62220455225130
7243033123636
oct46634551016
914388567400
105208461838
11223304a518
1210143781a6
136500b95a8
14375a476c6
152073d2e43
hex13672d20e

5208461838 has 40 divisors (see below), whose sum is σ = 12047302080. Its totient is φ = 1680147360.

The previous prime is 5208461831. The next prime is 5208461891. The reversal of 5208461838 is 8381648025.

5208461838 is a `hidden beast` number, since 5 + 20 + 8 + 4 + 618 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5208461793 and 5208461802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208461831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 513543 + ... + 523586.

It is an arithmetic number, because the mean of its divisors is an integer number (301182552).

Almost surely, 25208461838 is an apocalyptic number.

5208461838 is an abundant number, since it is smaller than the sum of its proper divisors (6838840242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5208461838 is a wasteful number, since it uses less digits than its factorization.

5208461838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037174 (or 1037165 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 5208461838 is about 72169.6739496584. The cubic root of 5208461838 is about 1733.4174417849.

The spelling of 5208461838 in words is "five billion, two hundred eight million, four hundred sixty-one thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 162 186 279 558 837 1674 2511 5022 1037129 2074258 3111387 6222774 9334161 18668322 28002483 32150999 56004966 64301998 84007449 96452997 168014898 192905994 289358991 578717982 868076973 1736153946 2604230919 5208461838