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39488388 = 2233290699
BaseRepresentation
bin1001011010100…
…0101110000100
32202022012212220
42112220232010
540102112023
63530212340
7656434332
oct226505604
982265786
1039488388
1120321235
12112840b0
138247a14
14535cb52
1537003e3
hex25a8b84

39488388 has 12 divisors (see below), whose sum is σ = 92139600. Its totient is φ = 13162792.

The previous prime is 39488381. The next prime is 39488417. The reversal of 39488388 is 88388493.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 39488388.

It is not an unprimeable number, because it can be changed into a prime (39488381) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1645338 + ... + 1645361.

It is an arithmetic number, because the mean of its divisors is an integer number (7678300).

Almost surely, 239488388 is an apocalyptic number.

It is an amenable number.

39488388 is an abundant number, since it is smaller than the sum of its proper divisors (52651212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39488388 is a wasteful number, since it uses less digits than its factorization.

39488388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290706 (or 3290704 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 39488388 is about 6283.9786759664. The cubic root of 39488388 is about 340.5308546931.

The spelling of 39488388 in words is "thirty-nine million, four hundred eighty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 3290699 6581398 9872097 13162796 19744194 39488388