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1131404302 = 2780814593
BaseRepresentation
bin100001101101111…
…1101110000001110
32220211221021221001
41003123331300032
54304114414202
6304133530514
740015530550
oct10333756016
92824837831
101131404302
11530714886
12276aa3a3a
13150527c02
14aa3954d0
15694dad87
hex436fdc0e

1131404302 has 8 divisors (see below), whose sum is σ = 1939550256. Its totient is φ = 484887552.

The previous prime is 1131404299. The next prime is 1131404311. The reversal of 1131404302 is 2034041311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1131404302.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40407283 + ... + 40407310.

It is an arithmetic number, because the mean of its divisors is an integer number (242443782).

Almost surely, 21131404302 is an apocalyptic number.

1131404302 is a deficient number, since it is larger than the sum of its proper divisors (808145954).

1131404302 is an equidigital number, since it uses as much as digits as its factorization.

1131404302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80814602.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1131404302 is about 33636.3538749372. The cubic root of 1131404302 is about 1042.0117316991.

Adding to 1131404302 its reverse (2034041311), we get a palindrome (3165445613).

The spelling of 1131404302 in words is "one billion, one hundred thirty-one million, four hundred four thousand, three hundred two".

Divisors: 1 2 7 14 80814593 161629186 565702151 1131404302