Search a number
-
+
2052493405 = 5410498681
BaseRepresentation
bin111101001010110…
…1001000001011101
312022001010110122021
41322111221001131
513200414242110
6535400020141
7101601622534
oct17225510135
95261113567
102052493405
11963640746
12493461651
132692c6651
1415684131b
15c02d12da
hex7a56905d

2052493405 has 4 divisors (see below), whose sum is σ = 2462992092. Its totient is φ = 1641994720.

The previous prime is 2052493397. The next prime is 2052493409. The reversal of 2052493405 is 5043942502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1287804996 + 764688409 = 35886^2 + 27653^2 .

It is not a de Polignac number, because 2052493405 - 23 = 2052493397 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 (2052493409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205249336 + ... + 205249345.

It is an arithmetic number, because the mean of its divisors is an integer number (615748023).

Almost surely, 22052493405 is an apocalyptic number.

It is an amenable number.

2052493405 is a deficient number, since it is larger than the sum of its proper divisors (410498687).

2052493405 is an equidigital number, since it uses as much as digits as its factorization.

2052493405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410498686.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2052493405 is about 45304.4523750150. The cubic root of 2052493405 is about 1270.8489178226.

The spelling of 2052493405 in words is "two billion, fifty-two million, four hundred ninety-three thousand, four hundred five".

Divisors: 1 5 410498681 2052493405