Search a number
-
+
769042971 = 3328483073
BaseRepresentation
bin101101110101101…
…010101000011011
31222121002102122000
4231311222220123
53033333333341
6204151132043
725025520534
oct5565525033
91877072560
10769042971
11365117404
12195674023
13c3434418
14741cb68b
15477ae8b6
hex2dd6aa1b

769042971 has 8 divisors (see below), whose sum is σ = 1139322960. Its totient is φ = 512695296.

The previous prime is 769042949. The next prime is 769043029. The reversal of 769042971 is 179240967.

769042971 is a `hidden beast` number, since 76 + 90 + 429 + 71 = 666.

It is not a de Polignac number, because 769042971 - 29 = 769042459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (769042471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14241510 + ... + 14241563.

It is an arithmetic number, because the mean of its divisors is an integer number (142415370).

Almost surely, 2769042971 is an apocalyptic number.

769042971 is a deficient number, since it is larger than the sum of its proper divisors (370279989).

769042971 is a wasteful number, since it uses less digits than its factorization.

769042971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28483082 (or 28483076 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 769042971 is about 27731.6240238469. The cubic root of 769042971 is about 916.1857564424.

The spelling of 769042971 in words is "seven hundred sixty-nine million, forty-two thousand, nine hundred seventy-one".

Divisors: 1 3 9 27 28483073 85449219 256347657 769042971