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1131202232 = 23141400279
BaseRepresentation
bin100001101101100…
…1100011010111000
32220211120000201222
41003123030122320
54304041432412
6304125331212
740014026456
oct10333143270
92824500658
101131202232
11530596a86
12276a06b08
13150486c44
14aa3419d6
156949b072
hex436cc6b8

1131202232 has 8 divisors (see below), whose sum is σ = 2121004200. Its totient is φ = 565601112.

The previous prime is 1131202229. The next prime is 1131202243. The reversal of 1131202232 is 2322021311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1131202232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70700132 + ... + 70700147.

It is an arithmetic number, because the mean of its divisors is an integer number (265125525).

Almost surely, 21131202232 is an apocalyptic number.

It is an amenable number.

1131202232 is a deficient number, since it is larger than the sum of its proper divisors (989801968).

1131202232 is a wasteful number, since it uses less digits than its factorization.

1131202232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141400285 (or 141400281 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1131202232 is about 33633.3499966923. The cubic root of 1131202232 is about 1041.9496932080.

Adding to 1131202232 its reverse (2322021311), we get a palindrome (3453223543).

The spelling of 1131202232 in words is "one billion, one hundred thirty-one million, two hundred two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 141400279 282800558 565601116 1131202232