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5420829 = 31806943
BaseRepresentation
bin10100101011011100011101
3101012101222110
4110223130131
52341431304
6312104233
764035111
oct24533435
911171873
105420829
113072827
121995079
13117a4bb
14a11741
15721289
hex52b71d

5420829 has 4 divisors (see below), whose sum is σ = 7227776. Its totient is φ = 3613884.

The previous prime is 5420827. The next prime is 5420851. The reversal of 5420829 is 9280245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5420829 - 21 = 5420827 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5420796 and 5420805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903469 + ... + 903474.

It is an arithmetic number, because the mean of its divisors is an integer number (1806944).

Almost surely, 25420829 is an apocalyptic number.

It is an amenable number.

5420829 is a deficient number, since it is larger than the sum of its proper divisors (1806947).

5420829 is a wasteful number, since it uses less digits than its factorization.

5420829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806946.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 5420829 is about 2328.2673815522. The cubic root of 5420829 is about 175.6663466099. Note that the first 3 decimals are identical.

The spelling of 5420829 in words is "five million, four hundred twenty thousand, eight hundred twenty-nine".

Divisors: 1 3 1806943 5420829