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38883321 = 342771733
BaseRepresentation
bin1001010001010…
…0111111111001
32201011110220000
42110110333321
534423231241
63505223213
7651334311
oct224247771
981143800
1038883321
111aa48684
1211031b09
1380954a9
145242441
153630eb6
hex2514ff9

38883321 has 20 divisors (see below), whose sum is σ = 58328292. Its totient is φ = 25813728.

The previous prime is 38883319. The next prime is 38883343. The reversal of 38883321 is 12338883.

It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 27248400 = 3411^2 + 5220^2 .

It is not a de Polignac number, because 38883321 - 21 = 38883319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38883391) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21571 + ... + 23303.

Almost surely, 238883321 is an apocalyptic number.

It is an amenable number.

38883321 is a deficient number, since it is larger than the sum of its proper divisors (19444971).

38883321 is a wasteful number, since it uses less digits than its factorization.

38883321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2013 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 38883321 is about 6235.6492043732. The cubic root of 38883321 is about 338.7826157418.

It can be divided in two parts, 38883 and 321, that added together give a square (39204 = 1982).

The spelling of 38883321 in words is "thirty-eight million, eight hundred eighty-three thousand, three hundred twenty-one".

Divisors: 1 3 9 27 81 277 831 1733 2493 5199 7479 15597 22437 46791 140373 480041 1440123 4320369 12961107 38883321