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5420687 = 43112577
BaseRepresentation
bin10100101011011010001111
3101012101210012
4110223122033
52341430222
6312103435
764034516
oct24533217
911171705
105420687
113072708
121994b7b
13117a40c
14a1167d
157211e2
hex52b68f

5420687 has 4 divisors (see below), whose sum is σ = 5433696. Its totient is φ = 5407680.

The previous prime is 5420683. The next prime is 5420711. The reversal of 5420687 is 7860245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5420687 - 22 = 5420683 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 (5420683) 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, 5858 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (1358424).

Almost surely, 25420687 is an apocalyptic number.

5420687 is a deficient number, since it is larger than the sum of its proper divisors (13009).

5420687 is a wasteful number, since it uses less digits than its factorization.

5420687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13008.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 5420687 is about 2328.2368865732. The cubic root of 5420687 is about 175.6648127216.

The spelling of 5420687 in words is "five million, four hundred twenty thousand, six hundred eighty-seven".

Divisors: 1 431 12577 5420687