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1161908082 = 232531217933
BaseRepresentation
bin100010101000001…
…0100111101110010
32222222100001020200
41011100110331302
54334422024312
6311143420030
740536025056
oct10520247562
92888301220
101161908082
11546959815
12285154616
1315694829a
14b0455c66
156c0140dc
hex45414f72

1161908082 has 24 divisors (see below), whose sum is σ = 2564969004. Its totient is φ = 379994784.

The previous prime is 1161908081. The next prime is 1161908093. The reversal of 1161908082 is 2808091611.

It can be written as a sum of positive squares in 2 ways, for example, as 1140480441 + 21427641 = 33771^2 + 4629^2 .

It is not an unprimeable number, because it can be changed into a prime (1161908081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608013 + ... + 609920.

Almost surely, 21161908082 is an apocalyptic number.

1161908082 is an abundant number, since it is smaller than the sum of its proper divisors (1403060922).

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

1161908082 is a wasteful number, since it uses less digits than its factorization.

1161908082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217994 (or 1217991 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1161908082 is about 34086.7728305277. The cubic root of 1161908082 is about 1051.2933667496.

Adding to 1161908082 its reverse (2808091611), we get a palindrome (3969999693).

The spelling of 1161908082 in words is "one billion, one hundred sixty-one million, nine hundred eight thousand, eighty-two".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 1217933 2435866 3653799 7307598 10961397 21922794 64550449 129100898 193651347 387302694 580954041 1161908082