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3841940 = 225192097
BaseRepresentation
bin1110101001111110010100
321020012011002
432221332110
51440420230
6214202432
744440664
oct16517624
97205132
103841940
112194563
121353418
13a4694b
147201a4
1550d545
hex3a9f94

3841940 has 12 divisors (see below), whose sum is σ = 8068116. Its totient is φ = 1536768.

The previous prime is 3841927. The next prime is 3841961. The reversal of 3841940 is 491483.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 1669264 = 1474^2 + 1292^2 .

It is a congruent 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, 96029 + ... + 96068.

It is an arithmetic number, because the mean of its divisors is an integer number (672343).

Almost surely, 23841940 is an apocalyptic number.

It is an amenable number.

3841940 is an abundant number, since it is smaller than the sum of its proper divisors (4226176).

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

3841940 is a wasteful number, since it uses less digits than its factorization.

3841940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192106 (or 192104 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3841940 is about 1960.0867327749. The cubic root of 3841940 is about 156.6210721905.

The spelling of 3841940 in words is "three million, eight hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 192097 384194 768388 960485 1920970 3841940