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38421343 = 175342643
BaseRepresentation
bin1001001010010…
…0001101011111
32200022000011201
42102210031133
534313440333
63451300331
7644401402
oct222441537
980260151
1038421343
111a762584
1210a4a6a7
137c6312c
145161d39
15358e17d
hex24a435f

38421343 has 8 divisors (see below), whose sum is σ = 41449968. Its totient is φ = 35478144.

The previous prime is 38421319. The next prime is 38421347. The reversal of 38421343 is 34312483.

38421343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38421343 - 221 = 36324191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38421347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20421 + ... + 22222.

It is an arithmetic number, because the mean of its divisors is an integer number (5181246).

Almost surely, 238421343 is an apocalyptic number.

38421343 is a deficient number, since it is larger than the sum of its proper divisors (3028625).

38421343 is a wasteful number, since it uses less digits than its factorization.

38421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42713.

The product of its digits is 6912, while the sum is 28.

The square root of 38421343 is about 6198.4952206160. The cubic root of 38421343 is about 337.4355593475.

The spelling of 38421343 in words is "thirty-eight million, four hundred twenty-one thousand, three hundred forty-three".

Divisors: 1 17 53 901 42643 724931 2260079 38421343