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38871373 = 89436757
BaseRepresentation
bin1001010001001…
…0000101001101
32201010212111111
42110102011031
534422340443
63505052021
7651254422
oct224220515
981125444
1038871373
111aa3a702
1211027011
13808cc18
14523bd49
15362c69d
hex251214d

38871373 has 4 divisors (see below), whose sum is σ = 39308220. Its totient is φ = 38434528.

The previous prime is 38871361. The next prime is 38871389. The reversal of 38871373 is 37317883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37317883 = 53704111.

It can be written as a sum of positive squares in 2 ways, for example, as 3087049 + 35784324 = 1757^2 + 5982^2 .

It is a cyclic number.

It is not a de Polignac number, because 38871373 - 217 = 38740301 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 (38875373) 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, 218290 + ... + 218467.

It is an arithmetic number, because the mean of its divisors is an integer number (9827055).

Almost surely, 238871373 is an apocalyptic number.

It is an amenable number.

38871373 is a deficient number, since it is larger than the sum of its proper divisors (436847).

38871373 is an equidigital number, since it uses as much as digits as its factorization.

38871373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436846.

The product of its digits is 84672, while the sum is 40.

The square root of 38871373 is about 6234.6910909844. The cubic root of 38871373 is about 338.7479120072.

The spelling of 38871373 in words is "thirty-eight million, eight hundred seventy-one thousand, three hundred seventy-three".

Divisors: 1 89 436757 38871373