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38427473 = 75489639
BaseRepresentation
bin1001001010010…
…1101101010001
32200022022120202
42102211231101
534314134343
63451344545
7644425310
oct222455521
980268522
1038427473
111a767147
1210a52155
137c65b66
145164277
153590db8
hex24a5b51

38427473 has 4 divisors (see below), whose sum is σ = 43917120. Its totient is φ = 32937828.

The previous prime is 38427461. The next prime is 38427479. The reversal of 38427473 is 37472483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38427473 - 222 = 34233169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38427479) 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, 2744813 + ... + 2744826.

It is an arithmetic number, because the mean of its divisors is an integer number (10979280).

Almost surely, 238427473 is an apocalyptic number.

It is an amenable number.

38427473 is a deficient number, since it is larger than the sum of its proper divisors (5489647).

38427473 is an equidigital number, since it uses as much as digits as its factorization.

38427473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489646.

The product of its digits is 112896, while the sum is 38.

The square root of 38427473 is about 6198.9896757456. The cubic root of 38427473 is about 337.4535039742.

The spelling of 38427473 in words is "thirty-eight million, four hundred twenty-seven thousand, four hundred seventy-three".

Divisors: 1 7 5489639 38427473