Search a number
-
+
1115454130 = 257218112577
BaseRepresentation
bin100001001111100…
…0111101010110010
32212201220221101221
41002133013222302
54241024013010
6302404015254
736433126600
oct10237075262
92781827357
101115454130
1152271021a
1227169152a
1314a131c3b
14a8202870
1567dd9dda
hex427c7ab2

1115454130 has 48 divisors (see below), whose sum is σ = 2348715096. Its totient is φ = 380298240.

The previous prime is 1115454101. The next prime is 1115454139. The reversal of 1115454130 is 314545111.

It can be written as a sum of positive squares in 4 ways, for example, as 806503201 + 308950929 = 28399^2 + 17577^2 .

It is a super-2 number, since 2×11154541302 = 2488475832268113800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1115454095 and 1115454104.

It is not an unprimeable number, because it can be changed into a prime (1115454139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82402 + ... + 94978.

Almost surely, 21115454130 is an apocalyptic number.

1115454130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115454130 is an abundant number, since it is smaller than the sum of its proper divisors (1233260966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115454130 is a wasteful number, since it uses less digits than its factorization.

1115454130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779 (or 12772 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1115454130 is about 33398.4150821562. The cubic root of 1115454130 is about 1037.0918911648.

Adding to 1115454130 its reverse (314545111), we get a palindrome (1429999241).

The spelling of 1115454130 in words is "one billion, one hundred fifteen million, four hundred fifty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 181 245 362 490 905 1267 1810 2534 6335 8869 12577 12670 17738 25154 44345 62885 88039 88690 125770 176078 440195 616273 880390 1232546 2276437 3081365 4552874 6162730 11382185 15935059 22764370 31870118 79675295 111545413 159350590 223090826 557727065 1115454130