Search a number
-
+
768042243 = 3423834967
BaseRepresentation
bin101101110001110…
…110010100000011
31222112012120220000
4231301312110003
53033104322433
6204113451043
725014152133
oct5561662403
91875176800
10768042243
113645a3561
12195270a83
13c3173a87
147400aac3
1547663113
hex2dc76503

768042243 has 40 divisors (see below), whose sum is σ = 1211874048. Its totient is φ = 483767856.

The previous prime is 768042241. The next prime is 768042251. The reversal of 768042243 is 342240867.

768042243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 768042243 - 21 = 768042241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768042198 and 768042207.

It is not an unprimeable number, because it can be changed into a prime (768042241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 152146 + ... + 157112.

Almost surely, 2768042243 is an apocalyptic number.

768042243 is a deficient number, since it is larger than the sum of its proper divisors (443831805).

768042243 is a wasteful number, since it uses less digits than its factorization.

768042243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 768042243 is about 27713.5750671038. The cubic root of 768042243 is about 915.7881840695.

The spelling of 768042243 in words is "seven hundred sixty-eight million, forty-two thousand, two hundred forty-three".

Divisors: 1 3 9 23 27 69 81 83 207 249 621 747 1863 1909 2241 4967 5727 6723 14901 17181 44703 51543 114241 134109 154629 342723 402327 412261 1028169 1236783 3084507 3710349 9253521 9482003 11131047 28446009 33393141 85338027 256014081 768042243