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3920773 = 67139421
BaseRepresentation
bin1110111101001110000101
321101012021211
432331032011
52000431043
6220011421
745216553
oct16751605
97335254
103920773
11223880a
121390b71
13a737ac
14740bd3
15526a9d
hex3bd385

3920773 has 8 divisors (see below), whose sum is σ = 4017440. Its totient is φ = 3825360.

The previous prime is 3920759. The next prime is 3920797. The reversal of 3920773 is 3770293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3920773 - 217 = 3789701 is a prime.

It is a Duffinian number.

3920773 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920743) 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 7 ways as a sum of consecutive naturals, for example, 9103 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (502180).

Almost surely, 23920773 is an apocalyptic number.

It is an amenable number.

3920773 is a deficient number, since it is larger than the sum of its proper divisors (96667).

3920773 is a wasteful number, since it uses less digits than its factorization.

3920773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 3920773 is about 1980.0941896789. The cubic root of 3920773 is about 157.6850667430.

The spelling of 3920773 in words is "three million, nine hundred twenty thousand, seven hundred seventy-three".

Divisors: 1 67 139 421 9313 28207 58519 3920773