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38988984 = 2336912351
BaseRepresentation
bin1001010010111…
…0110010111000
32201100211211110
42110232302320
534440121414
63511400320
7652254336
oct224566270
981324743
1038988984
1120010001
12110830a0
138101608
14526cb56
153652459
hex252ecb8

38988984 has 32 divisors (see below), whose sum is σ = 97655040. Its totient is φ = 12972000.

The previous prime is 38988977. The next prime is 38989033. The reversal of 38988984 is 48988983.

38988984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15409 + ... + 17759.

It is an arithmetic number, because the mean of its divisors is an integer number (3051720).

Almost surely, 238988984 is an apocalyptic number.

It is an amenable number.

38988984 is an abundant number, since it is smaller than the sum of its proper divisors (58666056).

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

38988984 is a wasteful number, since it uses less digits than its factorization.

38988984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051 (or 3047 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 38988984 is about 6244.1159502367. The cubic root of 38988984 is about 339.0892117346.

Subtracting 38988984 from its reverse (48988983), we obtain a palindrome (9999999).

The spelling of 38988984 in words is "thirty-eight million, nine hundred eighty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 691 1382 2073 2351 2764 4146 4702 5528 7053 8292 9404 14106 16584 18808 28212 56424 1624541 3249082 4873623 6498164 9747246 12996328 19494492 38988984