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3856988 = 221019547
BaseRepresentation
bin1110101101101001011100
321020221210102
432231221130
51441410423
6214400232
744532602
oct16555134
97227712
103856988
1121a48a3
121360078
13a50755
14725872
15512c28
hex3ada5c

3856988 has 12 divisors (see below), whose sum is σ = 6817272. Its totient is φ = 1909200.

The previous prime is 3856987. The next prime is 3856997. The reversal of 3856988 is 8896583.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4370 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (568106).

Almost surely, 23856988 is an apocalyptic number.

It is an amenable number.

3856988 is a deficient number, since it is larger than the sum of its proper divisors (2960284).

3856988 is a wasteful number, since it uses less digits than its factorization.

3856988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652 (or 9650 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 3856988 is about 1963.9215870294. The cubic root of 3856988 is about 156.8252887679.

The spelling of 3856988 in words is "three million, eight hundred fifty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 4 101 202 404 9547 19094 38188 964247 1928494 3856988