Base | Representation |
---|---|
bin | 1000001101010… |
… | …10111100000010 |
3 | 11210120022212120 |
4 | 10012222330002 |
5 | 120111420402 |
6 | 10455505110 |
7 | 1464165012 |
oct | 406527402 |
9 | 153508776 |
10 | 68857602 |
11 | 35960810 |
12 | 1b088196 |
13 | 1135b858 |
14 | 9205c42 |
15 | 60a23bc |
hex | 41aaf02 |
68857602 has 32 divisors (see below), whose sum is σ = 152789760. Its totient is φ = 20511120.
The previous prime is 68857597. The next prime is 68857619. The reversal of 68857602 is 20675886.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948 + ... + 12735.
It is an arithmetic number, because the mean of its divisors is an integer number (4774680).
Almost surely, 268857602 is an apocalyptic number.
68857602 is an abundant number, since it is smaller than the sum of its proper divisors (83932158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68857602 is a wasteful number, since it uses less digits than its factorization.
68857602 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17758.
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 68857602 is about 8298.0480837363. The cubic root of 68857602 is about 409.8742465811.
The spelling of 68857602 in words is "sixty-eight million, eight hundred fifty-seven thousand, six hundred two".
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