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5281046421 = 37298671669
BaseRepresentation
bin1001110101100011…
…00101111110010101
3111122001012221202220
410322301211332111
541303421441141
62232011052553
7244604103540
oct47261457625
914561187686
105281046421
112270016382
121034741159
13662151651
1438153d857
1520d96e766
hex13ac65f95

5281046421 has 16 divisors (see below), whose sum is σ = 8324803200. Its totient is φ = 2913680448.

The previous prime is 5281046411. The next prime is 5281046429. The reversal of 5281046421 is 1246401825.

It is a happy number.

It is not a de Polignac number, because 5281046421 - 29 = 5281045909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281046429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335226 + ... + 4336443.

It is an arithmetic number, because the mean of its divisors is an integer number (520300200).

Almost surely, 25281046421 is an apocalyptic number.

It is an amenable number.

5281046421 is a deficient number, since it is larger than the sum of its proper divisors (3043756779).

5281046421 is a wasteful number, since it uses less digits than its factorization.

5281046421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8671708.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 5281046421 is about 72670.8085891440. The cubic root of 5281046421 is about 1741.4325654366.

The spelling of 5281046421 in words is "five billion, two hundred eighty-one million, forty-six thousand, four hundred twenty-one".

Divisors: 1 3 7 21 29 87 203 609 8671669 26015007 60701683 182105049 251478401 754435203 1760348807 5281046421