Base | Representation |
---|---|
bin | 1000001000111… |
… | …10110110000000 |
3 | 11202111011201202 |
4 | 10010132312000 |
5 | 114440040101 |
6 | 10435320332 |
7 | 1456255031 |
oct | 404366600 |
9 | 152434652 |
10 | 68283776 |
11 | 355a9680 |
12 | 1aa500a8 |
13 | 111ba602 |
14 | 90d6a88 |
15 | 5edc36b |
hex | 411ed80 |
68283776 has 32 divisors (see below), whose sum is σ = 148403880. Its totient is φ = 31037440.
The previous prime is 68283773. The next prime is 68283779. The reversal of 68283776 is 67738286.
It is an interprime number because it is at equal distance from previous prime (68283773) and next prime (68283779).
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 68283776.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68283773) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22841 + ... + 25656.
Almost surely, 268283776 is an apocalyptic number.
It is an amenable number.
68283776 is an abundant number, since it is smaller than the sum of its proper divisors (80120104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68283776 is a wasteful number, since it uses less digits than its factorization.
68283776 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48522 (or 48510 counting only the distinct ones).
The product of its digits is 677376, while the sum is 47.
The square root of 68283776 is about 8263.3997845923. The cubic root of 68283776 is about 408.7325044337.
Subtracting from 68283776 its reverse (67738286), we obtain a triangular number (545490 = T1044).
The spelling of 68283776 in words is "sixty-eight million, two hundred eighty-three thousand, seven hundred seventy-six".
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