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1130311230 = 235131287611
BaseRepresentation
bin100001101011111…
…0010111000111110
32220202212202111220
41003113302320332
54303324424410
6304054254210
740003326006
oct10327627076
92822782456
101130311230
11530038614
12276657366
13150234519
14aa18d006
1569372070
hex435f2e3e

1130311230 has 32 divisors (see below), whose sum is σ = 2733464448. Its totient is φ = 299114400.

The previous prime is 1130311229. The next prime is 1130311271. The reversal of 1130311230 is 321130311.

It is a super-2 number, since 2×11303112302 = 2555206953328225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 139876 + ... + 147735.

It is an arithmetic number, because the mean of its divisors is an integer number (85420764).

Almost surely, 21130311230 is an apocalyptic number.

1130311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130311230 is an abundant number, since it is smaller than the sum of its proper divisors (1603153218).

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

1130311230 is a wasteful number, since it uses less digits than its factorization.

1130311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287752.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1130311230 is about 33620.1015762891. The cubic root of 1130311230 is about 1041.6760542158.

Adding to 1130311230 its reverse (321130311), we get a palindrome (1451441541).

The spelling of 1130311230 in words is "one billion, one hundred thirty million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 287611 575222 862833 1438055 1725666 2876110 4314165 8628330 37677041 75354082 113031123 188385205 226062246 376770410 565155615 1130311230