Base | Representation |
---|---|
bin | 1000001010001… |
… | …00111000011000 |
3 | 11202210002110010 |
4 | 10011010320120 |
5 | 120010031301 |
6 | 10442521520 |
7 | 1460504202 |
oct | 405047030 |
9 | 152702403 |
10 | 68439576 |
11 | 356a5737 |
12 | 1ab062a0 |
13 | 112434ba |
14 | 9137772 |
15 | 601d5d6 |
hex | 4144e18 |
68439576 has 48 divisors (see below), whose sum is σ = 173993400. Its totient is φ = 22430848.
The previous prime is 68439563. The next prime is 68439607. The reversal of 68439576 is 67593486.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382255 + ... + 382433.
Almost surely, 268439576 is an apocalyptic number.
It is an amenable number.
68439576 is an abundant number, since it is smaller than the sum of its proper divisors (105553824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68439576 is a wasteful number, since it uses less digits than its factorization.
68439576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456 (or 273 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 48.
The square root of 68439576 is about 8272.8215259366. The cubic root of 68439576 is about 409.0431304560.
It can be divided in two parts, 6 and 8439576, that multiplied together give a square (50637456 = 71162).
The spelling of 68439576 in words is "sixty-eight million, four hundred thirty-nine thousand, five hundred seventy-six".
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