Base | Representation |
---|---|
bin | 11000011000000… |
… | …101111010100100 |
3 | 1001111112202211010 |
4 | 120120011322210 |
5 | 1314144000433 |
6 | 104325342220 |
7 | 13064115030 |
oct | 3030057244 |
9 | 1044482733 |
10 | 408968868 |
11 | 19a941400 |
12 | b4b67970 |
13 | 66961a19 |
14 | 3c45b1c0 |
15 | 25d85e63 |
hex | 18605ea4 |
408968868 has 72 divisors (see below), whose sum is σ = 1198770496. Its totient is φ = 106223040.
The previous prime is 408968837. The next prime is 408968869. The reversal of 408968868 is 868869804.
It is not an unprimeable number, because it can be changed into a prime (408968869) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9955 + ... + 30282.
Almost surely, 2408968868 is an apocalyptic number.
It is an amenable number.
408968868 is an abundant number, since it is smaller than the sum of its proper divisors (789801628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
408968868 is a wasteful number, since it uses less digits than its factorization.
408968868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40273 (or 40260 counting only the distinct ones).
The product of its (nonzero) digits is 5308416, while the sum is 57.
The square root of 408968868 is about 20222.9787123460. The cubic root of 408968868 is about 742.2725778117.
The spelling of 408968868 in words is "four hundred eight million, nine hundred sixty-eight thousand, eight hundred sixty-eight".
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