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38112812 = 2237257519
BaseRepresentation
bin1001000101100…
…0111000101100
32122201022221122
42101120320230
534224102222
63440520112
7641645033
oct221307054
978638848
1038112812
111a5717a1
1210920038
137b8587a
1450c171a
15352ca42
hex2458e2c

38112812 has 12 divisors (see below), whose sum is σ = 68500320. Its totient is φ = 18541296.

The previous prime is 38112797. The next prime is 38112847. The reversal of 38112812 is 21821183.

It is an unprimeable number.

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, 128612 + ... + 128907.

It is an arithmetic number, because the mean of its divisors is an integer number (5708360).

Almost surely, 238112812 is an apocalyptic number.

It is an amenable number.

38112812 is a deficient number, since it is larger than the sum of its proper divisors (30387508).

38112812 is a wasteful number, since it uses less digits than its factorization.

38112812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257560 (or 257558 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 38112812 is about 6173.5574833316. The cubic root of 38112812 is about 336.5299060032.

Adding to 38112812 its reverse (21821183), we get a palindrome (59933995).

The spelling of 38112812 in words is "thirty-eight million, one hundred twelve thousand, eight hundred twelve".

Divisors: 1 2 4 37 74 148 257519 515038 1030076 9528203 19056406 38112812