Search a number
-
+
1168472849 = 171910733809
BaseRepresentation
bin100010110100101…
…0111101100010001
310000102200120102012
41011221113230101
54343112112344
6311540232305
740645566245
oct10551275421
93012616365
101168472849
1154a632a45
1228739b695
1315810636b
14b1284425
156c8ae29e
hex45a57b11

1168472849 has 16 divisors (see below), whose sum is σ = 1314532800. Its totient is φ = 1032090624.

The previous prime is 1168472807. The next prime is 1168472857. The reversal of 1168472849 is 9482748611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1168472849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1168472797 and 1168472806.

It is not an unprimeable number, because it can be changed into a prime (1168432849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17657 + ... + 51465.

It is an arithmetic number, because the mean of its divisors is an integer number (82158300).

Almost surely, 21168472849 is an apocalyptic number.

1168472849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1168472849 is a deficient number, since it is larger than the sum of its proper divisors (146059951).

1168472849 is a wasteful number, since it uses less digits than its factorization.

1168472849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33952.

The product of its digits is 774144, while the sum is 50.

The square root of 1168472849 is about 34182.9321299388. The cubic root of 1168472849 is about 1053.2695812663.

The spelling of 1168472849 in words is "one billion, one hundred sixty-eight million, four hundred seventy-two thousand, eight hundred forty-nine".

Divisors: 1 17 19 107 323 1819 2033 33809 34561 574753 642371 3617563 10920307 61498571 68733697 1168472849