[go: up one dir, main page]

Search a number
-
+
2048539 = 5934721
BaseRepresentation
bin111110100001000011011
310212002001211
413310020123
51011023124
6111523551
723261263
oct7641033
93762054
102048539
11117a109
128295b7
1356956c
143b47a3
152a6e94
hex1f421b

2048539 has 4 divisors (see below), whose sum is σ = 2083320. Its totient is φ = 2013760.

The previous prime is 2048537. The next prime is 2048569. The reversal of 2048539 is 9358402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9358402 = 24679201.

It is a cyclic number.

It is not a de Polignac number, because 2048539 - 21 = 2048537 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2048539.

It is not an unprimeable number, because it can be changed into a prime (2048533) 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 3 ways as a sum of consecutive naturals, for example, 17302 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (520830).

22048539 is an apocalyptic number.

2048539 is a deficient number, since it is larger than the sum of its proper divisors (34781).

2048539 is an equidigital number, since it uses as much as digits as its factorization.

2048539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34780.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2048539 is about 1431.2718120609. The cubic root of 2048539 is about 127.0032239246.

The spelling of 2048539 in words is "two million, forty-eight thousand, five hundred thirty-nine".

Divisors: 1 59 34721 2048539