Base | Representation |
---|---|
bin | 1000000010010… |
… | …10110111000010 |
3 | 11200212001200000 |
4 | 10001022313002 |
5 | 114224243430 |
6 | 10404540430 |
7 | 1446010422 |
oct | 401126702 |
9 | 150761600 |
10 | 67415490 |
11 | 3506628a |
12 | 1a6b1716 |
13 | 10c7532c |
14 | 8d4c482 |
15 | 5db9e60 |
hex | 404adc2 |
67415490 has 48 divisors (see below), whose sum is σ = 181778688. Its totient is φ = 17976816.
The previous prime is 67415473. The next prime is 67415527. The reversal of 67415490 is 9451476.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11442 + ... + 16301.
It is an arithmetic number, because the mean of its divisors is an integer number (3787056).
Almost surely, 267415490 is an apocalyptic number.
67415490 is an abundant number, since it is smaller than the sum of its proper divisors (114363198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67415490 is a wasteful number, since it uses less digits than its factorization.
67415490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27765 (or 27753 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 67415490 is about 8210.6936369591. The cubic root of 67415490 is about 406.9926489827.
The spelling of 67415490 in words is "sixty-seven million, four hundred fifteen thousand, four hundred ninety".
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