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38421395 = 510197541
BaseRepresentation
bin1001001010010…
…0001110010011
32200022000020122
42102210032103
534313441040
63451300455
7644401505
oct222441623
980260218
1038421395
111a762621
1210a4a72b
137c6316c
145161d75
15358e1b5
hex24a4393

38421395 has 8 divisors (see below), whose sum is σ = 46157040. Its totient is φ = 30702880.

The previous prime is 38421373. The next prime is 38421443. The reversal of 38421395 is 59312483.

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

It is not a de Polignac number, because 38421395 - 212 = 38417299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (5769630).

Almost surely, 238421395 is an apocalyptic number.

38421395 is a deficient number, since it is larger than the sum of its proper divisors (7735645).

38421395 is a wasteful number, since it uses less digits than its factorization.

38421395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8565.

The product of its digits is 25920, while the sum is 35.

The square root of 38421395 is about 6198.4994151811. The cubic root of 38421395 is about 337.4357115774.

The spelling of 38421395 in words is "thirty-eight million, four hundred twenty-one thousand, three hundred ninety-five".

Divisors: 1 5 1019 5095 7541 37705 7684279 38421395