Base | Representation |
---|---|
bin | 1000001101001… |
… | …01111000011110 |
3 | 11210112021110121 |
4 | 10012211320132 |
5 | 120110240034 |
6 | 10455225154 |
7 | 1464050440 |
oct | 406457036 |
9 | 153467417 |
10 | 68836894 |
11 | 359471a5 |
12 | 1b0781ba |
13 | 113522b9 |
14 | 91dc490 |
15 | 609b1b4 |
hex | 41a5e1e |
68836894 has 32 divisors (see below), whose sum is σ = 124945920. Its totient is φ = 27814752.
The previous prime is 68836871. The next prime is 68836897. The reversal of 68836894 is 49863886.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68836897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15487 + ... + 19429.
It is an arithmetic number, because the mean of its divisors is an integer number (3904560).
Almost surely, 268836894 is an apocalyptic number.
68836894 is a deficient number, since it is larger than the sum of its proper divisors (56109026).
68836894 is a wasteful number, since it uses less digits than its factorization.
68836894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4024.
The product of its digits is 1990656, while the sum is 52.
The square root of 68836894 is about 8296.8002265934. The cubic root of 68836894 is about 409.8331544013.
The spelling of 68836894 in words is "sixty-eight million, eight hundred thirty-six thousand, eight hundred ninety-four".
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