Search a number
-
+
3905797 = 71095119
BaseRepresentation
bin1110111001100100000101
321100102202011
432321210011
51444441142
6215414221
745125110
oct16714405
97312664
103905797
112228535
121384371
13a69a2c
14739577
15522417
hex3b9905

3905797 has 8 divisors (see below), whose sum is σ = 4505600. Its totient is φ = 3316464.

The previous prime is 3905789. The next prime is 3905809. The reversal of 3905797 is 7975093.

3905797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3905797 - 23 = 3905789 is a prime.

It is a Duffinian number.

3905797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905717) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1797 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (563200).

Almost surely, 23905797 is an apocalyptic number.

It is an amenable number.

3905797 is a deficient number, since it is larger than the sum of its proper divisors (599803).

3905797 is a wasteful number, since it uses less digits than its factorization.

3905797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 3905797 is about 1976.3089333401. The cubic root of 3905797 is about 157.4840430630.

The spelling of 3905797 in words is "three million, nine hundred five thousand, seven hundred ninety-seven".

Divisors: 1 7 109 763 5119 35833 557971 3905797