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3872928 = 25340343
BaseRepresentation
bin1110110001100010100000
321021202122210
432301202200
51442413203
6215002120
744630223
oct16614240
97252583
103872928
112205874
121369340
13a57a97
1472b5ba
15517803
hex3b18a0

3872928 has 24 divisors (see below), whose sum is σ = 10166688. Its totient is φ = 1290944.

The previous prime is 3872917. The next prime is 3872929. The reversal of 3872928 is 8292783.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (3872929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20076 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (423612).

Almost surely, 23872928 is an apocalyptic number.

It is an amenable number.

3872928 is an abundant number, since it is smaller than the sum of its proper divisors (6293760).

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

3872928 is a wasteful number, since it uses less digits than its factorization.

3872928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356 (or 40348 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 3872928 is about 1967.9756096050. The cubic root of 3872928 is about 157.0410321844.

The spelling of 3872928 in words is "three million, eight hundred seventy-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 40343 80686 121029 161372 242058 322744 484116 645488 968232 1290976 1936464 3872928