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38986012 = 22132337881
BaseRepresentation
bin1001010010111…
…0000100011100
32201100200202101
42110232010130
534440023022
63511334444
7652242562
oct224560434
981320671
1038986012
112000884a
1211081424
138100160
14526ba32
153651627
hex252e11c

38986012 has 48 divisors (see below), whose sum is σ = 78829632. Its totient is φ = 16727040.

The previous prime is 38986009. The next prime is 38986019. The reversal of 38986012 is 21068983.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38986019) 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 15 ways as a sum of consecutive naturals, for example, 43812 + ... + 44692.

It is an arithmetic number, because the mean of its divisors is an integer number (1642284).

Almost surely, 238986012 is an apocalyptic number.

It is an amenable number.

38986012 is an abundant number, since it is smaller than the sum of its proper divisors (39843620).

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

38986012 is a wasteful number, since it uses less digits than its factorization.

38986012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 38986012 is about 6243.8779616517. The cubic root of 38986012 is about 339.0805956364.

The spelling of 38986012 in words is "thirty-eight million, nine hundred eighty-six thousand, twelve".

Divisors: 1 2 4 13 23 26 37 46 52 74 92 148 299 481 598 851 881 962 1196 1702 1762 1924 3404 3524 11063 11453 20263 22126 22906 32597 40526 44252 45812 65194 81052 130388 263419 423761 526838 749731 847522 1053676 1499462 1695044 2998924 9746503 19493006 38986012