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3870444 = 223322537
BaseRepresentation
bin1110110000111011101100
321021122020210
432300323230
51442323234
6214542420
744620044
oct16607354
97248223
103870444
112203a16
121367a10
13a56906
1472a724
15516be9
hex3b0eec

3870444 has 12 divisors (see below), whose sum is σ = 9031064. Its totient is φ = 1290144.

The previous prime is 3870439. The next prime is 3870457. The reversal of 3870444 is 4440783.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an unprimeable number.

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, 161257 + ... + 161280.

Almost surely, 23870444 is an apocalyptic number.

It is an amenable number.

3870444 is an abundant number, since it is smaller than the sum of its proper divisors (5160620).

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

3870444 is a wasteful number, since it uses less digits than its factorization.

3870444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322544 (or 322542 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 3870444 is about 1967.3444029961. The cubic root of 3870444 is about 157.0074509291.

The spelling of 3870444 in words is "three million, eight hundred seventy thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 322537 645074 967611 1290148 1935222 3870444