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208000427 = 474425541
BaseRepresentation
bin11000110010111…
…01010110101011
3112111101111221112
430121131112223
5411222003202
632350100535
75103655145
oct1431352653
9474344845
10208000427
11a7457888
12597aa74b
133412899b
141d8a5c95
15133d9b52
hexc65d5ab

208000427 has 4 divisors (see below), whose sum is σ = 212426016. Its totient is φ = 203574840.

The previous prime is 208000411. The next prime is 208000439. The reversal of 208000427 is 724000802.

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 208000427 - 24 = 208000411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208000487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212724 + ... + 2212817.

It is an arithmetic number, because the mean of its divisors is an integer number (53106504).

Almost surely, 2208000427 is an apocalyptic number.

208000427 is a deficient number, since it is larger than the sum of its proper divisors (4425589).

208000427 is an equidigital number, since it uses as much as digits as its factorization.

208000427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425588.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 208000427 is about 14422.2199054098. The cubic root of 208000427 is about 592.4996191254.

The spelling of 208000427 in words is "two hundred eight million, four hundred twenty-seven", and thus it is an aban number.

Divisors: 1 47 4425541 208000427