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869767968 = 25335925237
BaseRepresentation
bin110011110101111…
…001101100100000
32020121121210100110
4303311321230200
53240130033333
6222150051320
730360622446
oct6365715440
92217553313
10869767968
11406a63603
12203349b40
1310b26cc04
148372ab96
1551559063
hex33d79b20

869767968 has 48 divisors (see below), whose sum is σ = 2289591360. Its totient is φ = 289103616.

The previous prime is 869767967. The next prime is 869767993.

It is a happy number.

869767968 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×8697679683 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869767899 and 869767908.

It is not an unprimeable number, because it can be changed into a prime (869767967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21846 + ... + 47082.

It is an arithmetic number, because the mean of its divisors is an integer number (47699820).

Almost surely, 2869767968 is an apocalyptic number.

It is an amenable number.

869767968 is an abundant number, since it is smaller than the sum of its proper divisors (1419823392).

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

869767968 is a wasteful number, since it uses less digits than its factorization.

869767968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25609 (or 25601 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 66.

The square root of 869767968 is about 29491.8288344416. The cubic root of 869767968 is about 954.5553947726. Note that the first 3 decimals are identical.

The spelling of 869767968 in words is "eight hundred sixty-nine million, seven hundred sixty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 359 718 1077 1436 2154 2872 4308 5744 8616 11488 17232 25237 34464 50474 75711 100948 151422 201896 302844 403792 605688 807584 1211376 2422752 9060083 18120166 27180249 36240332 54360498 72480664 108720996 144961328 217441992 289922656 434883984 869767968