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38487916 = 229621979
BaseRepresentation
bin1001001011010…
…0011101101100
32200102101111101
42102310131230
534323103131
63452532444
7645066445
oct222643554
980371441
1038487916
111a7a85a5
1210a81124
137c8751c
14517c2cc
1535a3c61
hex24b476c

38487916 has 6 divisors (see below), whose sum is σ = 67353860. Its totient is φ = 19243956.

The previous prime is 38487887. The next prime is 38487919. The reversal of 38487916 is 61978483.

It is a happy number.

38487916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38487919) 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 as a sum of consecutive naturals, namely, 4810986 + ... + 4810993.

Almost surely, 238487916 is an apocalyptic number.

It is an amenable number.

38487916 is a deficient number, since it is larger than the sum of its proper divisors (28865944).

38487916 is a wasteful number, since it uses less digits than its factorization.

38487916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621983 (or 9621981 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 38487916 is about 6203.8629901054. The cubic root of 38487916 is about 337.6303394153.

The spelling of 38487916 in words is "thirty-eight million, four hundred eighty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 9621979 19243958 38487916