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20162427 = 313749057
BaseRepresentation
bin100110011101…
…0011101111011
31101221100122120
41030322131323
520130144202
62000052323
7333243405
oct114723573
941840576
1020162427
111042136a
1269040a3
13423c33c
14296bb75
151b840bc
hex133a77b

20162427 has 8 divisors (see below), whose sum is σ = 27080016. Its totient is φ = 13343232.

The previous prime is 20162413. The next prime is 20162437. The reversal of 20162427 is 72426102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20162427 - 28 = 20162171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20162397 and 20162406.

It is not an unprimeable number, because it can be changed into a prime (20162437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24118 + ... + 24939.

It is an arithmetic number, because the mean of its divisors is an integer number (3385002).

Almost surely, 220162427 is an apocalyptic number.

20162427 is a deficient number, since it is larger than the sum of its proper divisors (6917589).

20162427 is a wasteful number, since it uses less digits than its factorization.

20162427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49197.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20162427 is about 4490.2591239259. The cubic root of 20162427 is about 272.1746058478.

Adding to 20162427 its reverse (72426102), we get a palindrome (92588529).

The spelling of 20162427 in words is "twenty million, one hundred sixty-two thousand, four hundred twenty-seven".

Divisors: 1 3 137 411 49057 147171 6720809 20162427