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38422147 = 711134789
BaseRepresentation
bin1001001010010…
…0011010000011
32200022001021111
42102210122003
534314002042
63451304151
7644403631
oct222443203
980261244
1038422147
111a763145
1210a4b057
137c635ca
145162351
15358e517
hex24a4683

38422147 has 8 divisors (see below), whose sum is σ = 39316320. Its totient is φ = 37537920.

The previous prime is 38422141. The next prime is 38422151. The reversal of 38422147 is 74122483.

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

It is a cyclic number.

It is not a de Polignac number, because 38422147 - 223 = 30033539 is a prime.

It is a super-2 number, since 2×384221472 = 2952522760179218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38422141) 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, 5629 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (4914540).

Almost surely, 238422147 is an apocalyptic number.

38422147 is a deficient number, since it is larger than the sum of its proper divisors (894173).

38422147 is a wasteful number, since it uses less digits than its factorization.

38422147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973.

The product of its digits is 10752, while the sum is 31.

The square root of 38422147 is about 6198.5600747270. The cubic root of 38422147 is about 337.4379130418.

The spelling of 38422147 in words is "thirty-eight million, four hundred twenty-two thousand, one hundred forty-seven".

Divisors: 1 71 113 4789 8023 340019 541157 38422147