Search a number
-
+
613135445 = 51347200699
BaseRepresentation
bin100100100010111…
…011010001010101
31120201201111201012
4210202323101111
52223430313240
6140501342005
721123364616
oct4442732125
91521644635
10613135445
1129510a80a
12151407905
139a047650
145b605c0d
1538c64b65
hex248bb455

613135445 has 16 divisors (see below), whose sum is σ = 809222400. Its totient is φ = 443141184.

The previous prime is 613135423. The next prime is 613135459. The reversal of 613135445 is 544531316.

It is a cyclic number.

It is not a de Polignac number, because 613135445 - 26 = 613135381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97295 + ... + 103404.

It is an arithmetic number, because the mean of its divisors is an integer number (50576400).

Almost surely, 2613135445 is an apocalyptic number.

613135445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

613135445 is a deficient number, since it is larger than the sum of its proper divisors (196086955).

613135445 is a wasteful number, since it uses less digits than its factorization.

613135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200764.

The product of its digits is 21600, while the sum is 32.

The square root of 613135445 is about 24761.5719412157. The cubic root of 613135445 is about 849.5432124685.

The spelling of 613135445 in words is "six hundred thirteen million, one hundred thirty-five thousand, four hundred forty-five".

Divisors: 1 5 13 47 65 235 611 3055 200699 1003495 2609087 9432853 13045435 47164265 122627089 613135445