Search a number
-
+
2146061725 = 52175049557
BaseRepresentation
bin111111111101010…
…0100110110011101
312112120012020020121
41333322210312131
513343342433400
6552541314541
7104116136503
oct17772446635
95476166217
102146061725
11a01439a35
124ba865a51
132827c7812
1416503a673
15c861521a
hex7fea4d9d

2146061725 has 12 divisors (see below), whose sum is σ = 2817653364. Its totient is φ = 1615857920.

The previous prime is 2146061699. The next prime is 2146061767. The reversal of 2146061725 is 5271606412.

It can be written as a sum of positive squares in 6 ways, for example, as 276191161 + 1869870564 = 16619^2 + 43242^2 .

It is not a de Polignac number, because 2146061725 - 215 = 2146028957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2524354 + ... + 2525203.

It is an arithmetic number, because the mean of its divisors is an integer number (234804447).

Almost surely, 22146061725 is an apocalyptic number.

2146061725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2146061725 is a deficient number, since it is larger than the sum of its proper divisors (671591639).

2146061725 is a wasteful number, since it uses less digits than its factorization.

2146061725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049584 (or 5049579 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2146061725 is about 46325.6055006300. The cubic root of 2146061725 is about 1289.8743392609.

The spelling of 2146061725 in words is "two billion, one hundred forty-six million, sixty-one thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 425 5049557 25247785 85842469 126238925 429212345 2146061725