Base | Representation |
---|---|
bin | 1000000110011… |
… | …01011000001010 |
3 | 11201212020000000 |
4 | 10003031120022 |
5 | 114343400330 |
6 | 10424223430 |
7 | 1453365135 |
oct | 403153012 |
9 | 151766000 |
10 | 67950090 |
11 | 353a09aa |
12 | 1a90ab76 |
13 | 11101770 |
14 | 904b21c |
15 | 5e73560 |
hex | 40cd60a |
67950090 has 128 divisors (see below), whose sum is σ = 198374400. Its totient is φ = 16656192.
The previous prime is 67950083. The next prime is 67950121. The reversal of 67950090 is 9005976.
67950090 is a `hidden beast` number, since 67 + 9 + 500 + 90 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284191 + ... + 284429.
It is an arithmetic number, because the mean of its divisors is an integer number (1549800).
Almost surely, 267950090 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67950090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99187200).
67950090 is an abundant number, since it is smaller than the sum of its proper divisors (130424310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67950090 is a wasteful number, since it uses less digits than its factorization.
67950090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280 (or 262 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The square root of 67950090 is about 8243.1844574776. The cubic root of 67950090 is about 408.0656252570.
The spelling of 67950090 in words is "sixty-seven million, nine hundred fifty thousand, ninety".
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