Base | Representation |
---|---|
bin | 1000001000010… |
… | …00101011010000 |
3 | 11202022120011210 |
4 | 10010020223100 |
5 | 114424133401 |
6 | 10433340120 |
7 | 1455426225 |
oct | 404105320 |
9 | 152276153 |
10 | 68192976 |
11 | 35547435 |
12 | 1aa07640 |
13 | 11188197 |
14 | 90b194c |
15 | 5ec04d6 |
hex | 4108ad0 |
68192976 has 80 divisors (see below), whose sum is σ = 193559040. Its totient is φ = 20592000.
The previous prime is 68192939. The next prime is 68192977. The reversal of 68192976 is 67929186.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68192977) 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, 19351 + ... + 22601.
It is an arithmetic number, because the mean of its divisors is an integer number (2419488).
Almost surely, 268192976 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 68192976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96779520).
68192976 is an abundant number, since it is smaller than the sum of its proper divisors (125366064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68192976 is a wasteful number, since it uses less digits than its factorization.
68192976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3304 (or 3298 counting only the distinct ones).
The product of its digits is 326592, while the sum is 48.
The square root of 68192976 is about 8257.9038502516. The cubic root of 68192976 is about 408.5512540891.
The spelling of 68192976 in words is "sixty-eight million, one hundred ninety-two thousand, nine hundred seventy-six".
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