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3871488 = 283712
BaseRepresentation
bin1110110001001100000000
321021200200110
432301030000
51442341423
6214551320
744623065
oct16611400
97250613
103871488
112204785
121368540
13a5722a
1472ac6c
15517193
hex3b1300

3871488 has 54 divisors (see below), whose sum is σ = 10450972. Its totient is φ = 1272320.

The previous prime is 3871481. The next prime is 3871499. The reversal of 3871488 is 8841783.

It is not an unprimeable number, because it can be changed into a prime (3871481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54493 + ... + 54563.

Almost surely, 23871488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5225486).

3871488 is an abundant number, since it is smaller than the sum of its proper divisors (6579484).

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

3871488 is an frugal number, since it uses more digits than its factorization.

3871488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 76 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 3871488 is about 1967.6097173982. The cubic root of 3871488 is about 157.0215665398.

The spelling of 3871488 in words is "three million, eight hundred seventy-one thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 71 96 128 142 192 213 256 284 384 426 568 768 852 1136 1704 2272 3408 4544 5041 6816 9088 10082 13632 15123 18176 20164 27264 30246 40328 54528 60492 80656 120984 161312 241968 322624 483936 645248 967872 1290496 1935744 3871488