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869768001 = 32531823413
BaseRepresentation
bin110011110101111…
…001101101000001
32020121121210101200
4303311321231001
53240130034001
6222150051413
730360622524
oct6365715501
92217553350
10869768001
11406a63633
12203349b69
1310b26cc2b
148372abbb
1551559086
hex33d79b41

869768001 has 12 divisors (see below), whose sum is σ = 1280036628. Its totient is φ = 568904544.

The previous prime is 869767993. The next prime is 869768017. The reversal of 869768001 is 100867968.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 487526400 + 382241601 = 22080^2 + 19551^2 .

It is not a de Polignac number, because 869768001 - 23 = 869767993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869768021) 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 11 ways as a sum of consecutive naturals, for example, 911230 + ... + 912183.

It is an arithmetic number, because the mean of its divisors is an integer number (106669719).

Almost surely, 2869768001 is an apocalyptic number.

It is an amenable number.

869768001 is a deficient number, since it is larger than the sum of its proper divisors (410268627).

869768001 is a wasteful number, since it uses less digits than its factorization.

869768001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823472 (or 1823469 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 869768001 is about 29491.8293939186. The cubic root of 869768001 is about 954.5554068449. Note that the first 3 decimals are identical.

The spelling of 869768001 in words is "eight hundred sixty-nine million, seven hundred sixty-eight thousand, one".

Divisors: 1 3 9 53 159 477 1823413 5470239 16410717 96640889 289922667 869768001