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38886313 = 101385013
BaseRepresentation
bin1001010001010…
…1101110101001
32201011121222211
42110111232221
534423330223
63505245121
7651346114
oct224255651
981147884
1038886313
111aa4a954
12110337a1
13809696b
14524357b
153631d0d
hex2515ba9

38886313 has 4 divisors (see below), whose sum is σ = 39271428. Its totient is φ = 38501200.

The previous prime is 38886301. The next prime is 38886329. The reversal of 38886313 is 31368883.

38886313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28697449 + 10188864 = 5357^2 + 3192^2 .

It is not a de Polignac number, because 38886313 - 225 = 5331881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38856313) 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 3 ways as a sum of consecutive naturals, for example, 192406 + ... + 192607.

It is an arithmetic number, because the mean of its divisors is an integer number (9817857).

Almost surely, 238886313 is an apocalyptic number.

It is an amenable number.

38886313 is a deficient number, since it is larger than the sum of its proper divisors (385115).

38886313 is a wasteful number, since it uses less digits than its factorization.

38886313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385114.

The product of its digits is 82944, while the sum is 40.

The square root of 38886313 is about 6235.8891106241. The cubic root of 38886313 is about 338.7913050853.

It can be divided in two parts, 3888 and 6313, that added together give a palindrome (10201).

The spelling of 38886313 in words is "thirty-eight million, eight hundred eighty-six thousand, three hundred thirteen".

Divisors: 1 101 385013 38886313