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5281938437 = 1724110491229
BaseRepresentation
bin1001110101101001…
…11111110000000101
3111122002220021101112
410322310333300011
541304134012222
62232042134405
7244614510266
oct47264776005
914562807345
105281938437
112270575586
121034ab1405
136623a4679
143816d296d
1520da98be2
hex13ad3fc05

5281938437 has 16 divisors (see below), whose sum is σ = 5625774000. Its totient is φ = 4941864960.

The previous prime is 5281938419. The next prime is 5281938439. The reversal of 5281938437 is 7348391825.

It can be written as a sum of positive squares in 8 ways, for example, as 2997672001 + 2284266436 = 54751^2 + 47794^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281938437 - 214 = 5281922053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281938439) 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, 4297139 + ... + 4298367.

It is an arithmetic number, because the mean of its divisors is an integer number (351610875).

Almost surely, 25281938437 is an apocalyptic number.

It is an amenable number.

5281938437 is a deficient number, since it is larger than the sum of its proper divisors (343835563).

5281938437 is a wasteful number, since it uses less digits than its factorization.

5281938437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536.

The product of its digits is 1451520, while the sum is 50.

The square root of 5281938437 is about 72676.9457049483. The cubic root of 5281938437 is about 1741.5306077648.

The spelling of 5281938437 in words is "five billion, two hundred eighty-one million, nine hundred thirty-eight thousand, four hundred thirty-seven".

Divisors: 1 17 241 1049 1229 4097 17833 20893 252809 296189 1289221 4297753 5035213 21916757 310702261 5281938437