Base | Representation |
---|---|
bin | 110011110001110… |
… | …011111101111010 |
3 | 2020112121022210100 |
4 | 303301303331322 |
5 | 3234341232210 |
6 | 222111100230 |
7 | 30345536124 |
oct | 6361637572 |
9 | 2215538710 |
10 | 868695930 |
11 | 4063a1123 |
12 | 202b11676 |
13 | 10ac85c7b |
14 | 8352c214 |
15 | 513e65c0 |
hex | 33c73f7a |
868695930 has 24 divisors (see below), whose sum is σ = 2258609652. Its totient is φ = 231652224.
The previous prime is 868695913. The next prime is 868695931. The reversal of 868695930 is 39596868.
It can be written as a sum of positive squares in 2 ways, for example, as 857142729 + 11553201 = 29277^2 + 3399^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (868695931) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4825999 + ... + 4826178.
Almost surely, 2868695930 is an apocalyptic number.
868695930 is an abundant number, since it is smaller than the sum of its proper divisors (1389913722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868695930 is a wasteful number, since it uses less digits than its factorization.
868695930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9652190 (or 9652187 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 54.
The square root of 868695930 is about 29473.6480605981. The cubic root of 868695930 is about 954.1630524410.
The spelling of 868695930 in words is "eight hundred sixty-eight million, six hundred ninety-five thousand, nine hundred thirty".
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