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38422212 = 2233201851
BaseRepresentation
bin1001001010010…
…0011011000100
32200022001100220
42102210123010
534314002322
63451304340
7644404053
oct222443304
980261326
1038422212
111a7631a4
1210a4b0b0
137c6364a
14516239a
15358e55c
hex24a46c4

38422212 has 12 divisors (see below), whose sum is σ = 89651856. Its totient is φ = 12807400.

The previous prime is 38422201. The next prime is 38422217. The reversal of 38422212 is 21222483.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (38422217) 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, 1600914 + ... + 1600937.

It is an arithmetic number, because the mean of its divisors is an integer number (7470988).

Almost surely, 238422212 is an apocalyptic number.

It is an amenable number.

38422212 is an abundant number, since it is smaller than the sum of its proper divisors (51229644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38422212 is a wasteful number, since it uses less digits than its factorization.

38422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201858 (or 3201856 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 38422212 is about 6198.5653178780. The cubic root of 38422212 is about 337.4381033266.

Adding to 38422212 its reverse (21222483), we get a palindrome (59644695).

The spelling of 38422212 in words is "thirty-eight million, four hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 3201851 6403702 9605553 12807404 19211106 38422212