Search a number
-
+
881317968 = 243123714843
BaseRepresentation
bin110100100001111…
…101100001010000
32021102100120222020
4310201331201100
53301104133333
6223241411440
730561036066
oct6441754120
92242316866
10881317968
11412532263
12207199b80
1311078512b
1485096036
155258b3b3
hex3487d850

881317968 has 40 divisors (see below), whose sum is σ = 2278732128. Its totient is φ = 293515392.

The previous prime is 881317967. The next prime is 881317991. The reversal of 881317968 is 869713188.

It is a Cunningham number, because it is equal to 296872-1.

It is a self number, because there is not a number n which added to its sum of digits gives 881317968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881317967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51955 + ... + 66797.

Almost surely, 2881317968 is an apocalyptic number.

It is an amenable number.

881317968 is an abundant number, since it is smaller than the sum of its proper divisors (1397414160).

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

881317968 is a wasteful number, since it uses less digits than its factorization.

881317968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091 (or 16085 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 881317968 is about 29686.9999831576. Note that the first 4 decimals coincide. The cubic root of 881317968 is about 958.7621371745.

The spelling of 881317968 in words is "eight hundred eighty-one million, three hundred seventeen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1237 2474 3711 4948 7422 9896 14843 14844 19792 29686 29688 44529 59372 59376 89058 118744 178116 237488 356232 712464 18360791 36721582 55082373 73443164 110164746 146886328 220329492 293772656 440658984 881317968