Base | Representation |
---|---|
bin | 1000001101010… |
… | …10011111111010 |
3 | 11210120020101220 |
4 | 10012222133322 |
5 | 120111341202 |
6 | 10455452510 |
7 | 1464156531 |
oct | 406523772 |
9 | 153506356 |
10 | 68855802 |
11 | 3595a424 |
12 | 1b087136 |
13 | 1135aaa2 |
14 | 9205318 |
15 | 60a1abc |
hex | 41aa7fa |
68855802 has 32 divisors (see below), whose sum is σ = 143035200. Its totient is φ = 22071168.
The previous prime is 68855777. The next prime is 68855803. The reversal of 68855802 is 20855886.
It is a super-2 number, since 2×688558022 = 9482242938126408, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (68855803) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52774 + ... + 54062.
It is an arithmetic number, because the mean of its divisors is an integer number (4469850).
Almost surely, 268855802 is an apocalyptic number.
68855802 is an abundant number, since it is smaller than the sum of its proper divisors (74179398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68855802 is a wasteful number, since it uses less digits than its factorization.
68855802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1630.
The product of its (nonzero) digits is 153600, while the sum is 42.
The square root of 68855802 is about 8297.9396237861. The cubic root of 68855802 is about 409.8706750555.
The spelling of 68855802 in words is "sixty-eight million, eight hundred fifty-five thousand, eight hundred two".
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