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38265820 = 2251913291
BaseRepresentation
bin1001000111111…
…0001111011100
32200000002211121
42101332033130
534244001240
63444100324
7643153105
oct221761734
980002747
1038265820
111a66674a
12109946a4
137c0a3c8
1451213ac
15355d04a
hex247e3dc

38265820 has 12 divisors (see below), whose sum is σ = 80358264. Its totient is φ = 15306320.

The previous prime is 38265803. The next prime is 38265853. The reversal of 38265820 is 2856283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956626 + ... + 956665.

It is an arithmetic number, because the mean of its divisors is an integer number (6696522).

Almost surely, 238265820 is an apocalyptic number.

It is an amenable number.

38265820 is an abundant number, since it is smaller than the sum of its proper divisors (42092444).

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

38265820 is a wasteful number, since it uses less digits than its factorization.

38265820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913300 (or 1913298 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 38265820 is about 6185.9372774059. The cubic root of 38265820 is about 336.9796499084.

The spelling of 38265820 in words is "thirty-eight million, two hundred sixty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 1913291 3826582 7653164 9566455 19132910 38265820