Base | Representation |
---|---|
bin | 1001010000110… |
… | …00110010101000 |
3 | 12102012101002212 |
4 | 10220120302220 |
5 | 124342234133 |
6 | 11413144252 |
7 | 1632256304 |
oct | 450306250 |
9 | 172171085 |
10 | 77696168 |
11 | 3a948310 |
12 | 2202b088 |
13 | 13134884 |
14 | a466d04 |
15 | 6c4b148 |
hex | 4a18ca8 |
77696168 has 64 divisors (see below), whose sum is σ = 172800000. Its totient is φ = 32356800.
The previous prime is 77696161. The next prime is 77696183. The reversal of 77696168 is 86169677.
It is a super-3 number, since 3×776961683 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (77696161) 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, 51083 + ... + 52581.
It is an arithmetic number, because the mean of its divisors is an integer number (2700000).
Almost surely, 277696168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 77696168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86400000).
77696168 is an abundant number, since it is smaller than the sum of its proper divisors (95103832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77696168 is a wasteful number, since it uses less digits than its factorization.
77696168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1566 (or 1562 counting only the distinct ones).
The product of its digits is 762048, while the sum is 50.
The square root of 77696168 is about 8814.5429830480. The cubic root of 77696168 is about 426.7103725844.
The spelling of 77696168 in words is "seventy-seven million, six hundred ninety-six thousand, one hundred sixty-eight".
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