Base | Representation |
---|---|
bin | 1000001010100… |
… | …10100011000100 |
3 | 11202212221020110 |
4 | 10011102203010 |
5 | 120013324211 |
6 | 10444033020 |
7 | 1461126333 |
oct | 405224304 |
9 | 152787213 |
10 | 68495556 |
11 | 357337a8 |
12 | 1ab32770 |
13 | 11262b1c |
14 | 914dd1a |
15 | 602eea6 |
hex | 41528c4 |
68495556 has 12 divisors (see below), whose sum is σ = 159822992. Its totient is φ = 22831848.
The previous prime is 68495549. The next prime is 68495561. The reversal of 68495556 is 65559486.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853970 + ... + 2853993.
Almost surely, 268495556 is an apocalyptic number.
It is an amenable number.
68495556 is an abundant number, since it is smaller than the sum of its proper divisors (91327436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68495556 is a wasteful number, since it uses less digits than its factorization.
68495556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5707970 (or 5707968 counting only the distinct ones).
The product of its digits is 1296000, while the sum is 48.
The square root of 68495556 is about 8276.2042024107. The cubic root of 68495556 is about 409.1546253708.
The spelling of 68495556 in words is "sixty-eight million, four hundred ninety-five thousand, five hundred fifty-six".
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