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3887472 = 24380989
BaseRepresentation
bin1110110101000101110000
321022111121110
432311011300
51443344342
6215153320
745020511
oct16650560
97274543
103887472
112215796
121375840
13a615a4
14732a08
1551bc9c
hex3b5170

3887472 has 20 divisors (see below), whose sum is σ = 10042760. Its totient is φ = 1295808.

The previous prime is 3887467. The next prime is 3887473. The reversal of 3887472 is 2747883.

3887472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38874722 = 30224877101568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3887472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887473) 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 3 ways as a sum of consecutive naturals, for example, 40447 + ... + 40542.

It is an arithmetic number, because the mean of its divisors is an integer number (502138).

Almost surely, 23887472 is an apocalyptic number.

It is an amenable number.

3887472 is an abundant number, since it is smaller than the sum of its proper divisors (6155288).

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

3887472 is a wasteful number, since it uses less digits than its factorization.

3887472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81000 (or 80994 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 3887472 is about 1971.6673147364. The cubic root of 3887472 is about 157.2373652672.

The spelling of 3887472 in words is "three million, eight hundred eighty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 80989 161978 242967 323956 485934 647912 971868 1295824 1943736 3887472