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20163230 = 252016323
BaseRepresentation
bin100110011101…
…0101010011110
31101221101202022
41030322222132
520130210410
62000100142
7333245633
oct114725236
941841668
1020163230
1110421a2a
126904652
13423c809
14296c18a
151b84455
hex133aa9e

20163230 has 8 divisors (see below), whose sum is σ = 36293832. Its totient is φ = 8065288.

The previous prime is 20163229. The next prime is 20163239. The reversal of 20163230 is 3236102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20163199 and 20163208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20163239) 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, 1008152 + ... + 1008171.

It is an arithmetic number, because the mean of its divisors is an integer number (4536729).

Almost surely, 220163230 is an apocalyptic number.

20163230 is a deficient number, since it is larger than the sum of its proper divisors (16130602).

20163230 is a wasteful number, since it uses less digits than its factorization.

20163230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016330.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20163230 is about 4490.3485388108. The cubic root of 20163230 is about 272.1782190587.

Adding to 20163230 its reverse (3236102), we get a palindrome (23399332).

The spelling of 20163230 in words is "twenty million, one hundred sixty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 2016323 4032646 10081615 20163230