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38675920 = 2454311243
BaseRepresentation
bin1001001110001…
…0010111010000
32200202221101111
42103202113100
534400112140
63500543104
7646511533
oct223422720
980687344
1038675920
111a916878
1210b51a94
138021c7a
1451caa1a
1535de7ea
hex24e25d0

38675920 has 40 divisors (see below), whose sum is σ = 92020896. Its totient is φ = 15109248.

The previous prime is 38675909. The next prime is 38675933. The reversal of 38675920 is 2957683.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2182 + ... + 9061.

Almost surely, 238675920 is an apocalyptic number.

It is an amenable number.

38675920 is an abundant number, since it is smaller than the sum of its proper divisors (53344976).

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

38675920 is a wasteful number, since it uses less digits than its factorization.

38675920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11293 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 38675920 is about 6218.9967036492. The cubic root of 38675920 is about 338.1791937558.

The spelling of 38675920 in words is "thirty-eight million, six hundred seventy-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 11243 22486 44972 56215 89944 112430 179888 224860 449720 483449 899440 966898 1933796 2417245 3867592 4834490 7735184 9668980 19337960 38675920