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1131002230 = 25234917401
BaseRepresentation
bin100001101101001…
…1011100101110110
32220211011212101111
41003122123211312
54304014032410
6304121145234
740012234411
oct10332334566
92824155344
101131002230
1153046a796
1227692b21a
13150416bb7
14aa2ccb78
156945bb8a
hex4369b976

1131002230 has 16 divisors (see below), whose sum is σ = 2124317664. Its totient is φ = 432731200.

The previous prime is 1131002221. The next prime is 1131002237. The reversal of 1131002230 is 322001311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131002230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131002237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458471 + ... + 2458930.

It is an arithmetic number, because the mean of its divisors is an integer number (132769854).

Almost surely, 21131002230 is an apocalyptic number.

1131002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131002230 is a deficient number, since it is larger than the sum of its proper divisors (993315434).

1131002230 is a wasteful number, since it uses less digits than its factorization.

1131002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917431.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1131002230 is about 33630.3765961667. The cubic root of 1131002230 is about 1041.8882823481. Note that the first 3 decimals are identical.

Adding to 1131002230 its reverse (322001311), we get a palindrome (1453003541).

The spelling of 1131002230 in words is "one billion, one hundred thirty-one million, two thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 4917401 9834802 24587005 49174010 113100223 226200446 565501115 1131002230