Base | Representation |
---|---|
bin | 1000000111001… |
… | …10001011110100 |
3 | 11202001101101100 |
4 | 10003212023310 |
5 | 114410123300 |
6 | 10430330100 |
7 | 1454300313 |
oct | 403461364 |
9 | 152041340 |
10 | 68051700 |
11 | 35460282 |
12 | 1a959930 |
13 | 11138aa2 |
14 | 907627a |
15 | 5e93700 |
hex | 40e62f4 |
68051700 has 108 divisors (see below), whose sum is σ = 216111168. Its totient is φ = 17908800.
The previous prime is 68051657. The next prime is 68051713. The reversal of 68051700 is 715086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74245 + ... + 75155.
Almost surely, 268051700 is an apocalyptic number.
68051700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68051700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108055584).
68051700 is an abundant number, since it is smaller than the sum of its proper divisors (148059468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68051700 is a wasteful number, since it uses less digits than its factorization.
68051700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014 (or 1004 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 68051700 is about 8249.3454285780. The cubic root of 68051700 is about 408.2689259328.
Adding to 68051700 its reverse (715086), we get a palindrome (68766786).
The spelling of 68051700 in words is "sixty-eight million, fifty-one thousand, seven hundred".
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