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3920378 = 271125457
BaseRepresentation
bin1110111101000111111010
321101011202012
432331013322
52000423003
6220005522
745215450
oct16750772
97334665
103920378
112238490
1213908a2
13a73567
147409d0
155268d8
hex3bd1fa

3920378 has 16 divisors (see below), whose sum is σ = 7331904. Its totient is φ = 1527360.

The previous prime is 3920377. The next prime is 3920383. The reversal of 3920378 is 8730293.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12575 + ... + 12882.

It is an arithmetic number, because the mean of its divisors is an integer number (458244).

Almost surely, 23920378 is an apocalyptic number.

3920378 is a deficient number, since it is larger than the sum of its proper divisors (3411526).

3920378 is a wasteful number, since it uses less digits than its factorization.

3920378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25477.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3920378 is about 1979.9944444367. The cubic root of 3920378 is about 157.6797712147.

The spelling of 3920378 in words is "three million, nine hundred twenty thousand, three hundred seventy-eight".

Divisors: 1 2 7 11 14 22 77 154 25457 50914 178199 280027 356398 560054 1960189 3920378