Search a number
4027901 = 7156731
BaseRepresentation
bin1111010111010111111101
321120122020112
433113113331
52012343101
6222155405
746144103
oct17272775
97518215
104027901
112301249
121422b65
13ab0497
1476bc73
155486bb
hex3d75fd

4027901 has 4 divisors (see below), whose sum is σ = 4084704. Its totient is φ = 3971100.

The previous prime is 4027889. The next prime is 4027909. The reversal of 4027901 is 1097204.

4027901 = T78 + T79 + ... + T290.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4027901 - 218 = 3765757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4027909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28295 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (1021176).

Almost surely, 24027901 is an apocalyptic number.

It is an amenable number.

4027901 is a deficient number, since it is larger than the sum of its proper divisors (56803).

4027901 is an equidigital number, since it uses as much as digits as its factorization.

4027901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56802.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 4027901 is about 2006.9631287096. The cubic root of 4027901 is about 159.1083343288.

The spelling of 4027901 in words is "four million, twenty-seven thousand, nine hundred one".

Divisors: 1 71 56731 4027901