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3890448 = 243227017
BaseRepresentation
bin1110110101110100010000
321022122200200
432311310100
51443443243
6215215200
745032262
oct16656420
97278620
103890448
112217a51
121377500
13a62a53
14733b32
1551cad3
hex3b5d10

3890448 has 30 divisors (see below), whose sum is σ = 10888254. Its totient is φ = 1296768.

The previous prime is 3890431. The next prime is 3890503. The reversal of 3890448 is 8440983.

3890448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 17424 = 1968^2 + 132^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 13365 + ... + 13652.

Almost surely, 23890448 is an apocalyptic number.

It is an amenable number.

3890448 is an abundant number, since it is smaller than the sum of its proper divisors (6997806).

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

3890448 is a wasteful number, since it uses less digits than its factorization.

3890448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27031 (or 27022 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 3890448 is about 1972.4218615702. The cubic root of 3890448 is about 157.2774786573.

The spelling of 3890448 in words is "three million, eight hundred ninety thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 27017 54034 81051 108068 162102 216136 243153 324204 432272 486306 648408 972612 1296816 1945224 3890448