Search a number
-
+
1355255242 = 21171867641
BaseRepresentation
bin101000011000111…
…1000110111001010
310111110011002200121
41100301320313022
510233421131432
6342251453454
745404323315
oct12061706712
93443132617
101355255242
11636008360
12319a5728a
13187a133a3
14cbdc597c
157dea7197
hex50c78dca

1355255242 has 16 divisors (see below), whose sum is σ = 2248928064. Its totient is φ = 607348000.

The previous prime is 1355255233. The next prime is 1355255261. The reversal of 1355255242 is 2425525531.

It is a junction number, because it is equal to n+sod(n) for n = 1355255198 and 1355255207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432259 + ... + 435382.

It is an arithmetic number, because the mean of its divisors is an integer number (140558004).

Almost surely, 21355255242 is an apocalyptic number.

1355255242 is a deficient number, since it is larger than the sum of its proper divisors (893672822).

1355255242 is a wasteful number, since it uses less digits than its factorization.

1355255242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867725.

The product of its digits is 60000, while the sum is 34.

The square root of 1355255242 is about 36813.7914646128. The cubic root of 1355255242 is about 1106.6417021312.

It can be divided in two parts, 13 and 55255242, that added together give a palindrome (55255255).

The spelling of 1355255242 in words is "one billion, three hundred fifty-five million, two hundred fifty-five thousand, two hundred forty-two".

Divisors: 1 2 11 22 71 142 781 1562 867641 1735282 9544051 19088102 61602511 123205022 677627621 1355255242