Base | Representation |
---|---|
bin | 1111111111000… |
… | …1011111111101 |
3 | 11200011110120200 |
4 | 3333301133331 |
5 | 114131040334 |
6 | 10353034113 |
7 | 1442624334 |
oct | 377613775 |
9 | 150143520 |
10 | 67049469 |
11 | 34936293 |
12 | 1a555939 |
13 | 10b77856 |
14 | 8c94d1b |
15 | 5d46799 |
hex | 3ff17fd |
67049469 has 6 divisors (see below), whose sum is σ = 96849246. Its totient is φ = 44699640.
The previous prime is 67049453. The next prime is 67049491. The reversal of 67049469 is 96494076.
It can be written as a sum of positive squares in only one way, i.e., 67026969 + 22500 = 8187^2 + 150^2 .
It is not a de Polignac number, because 67049469 - 24 = 67049453 is a prime.
It is a super-2 number, since 2×670494692 = 8991262586363922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67049419) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3724962 + ... + 3724979.
It is an arithmetic number, because the mean of its divisors is an integer number (16141541).
Almost surely, 267049469 is an apocalyptic number.
It is an amenable number.
67049469 is a deficient number, since it is larger than the sum of its proper divisors (29799777).
67049469 is a wasteful number, since it uses less digits than its factorization.
67049469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7449947 (or 7449944 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 67049469 is about 8188.3740144182. The cubic root of 67049469 is about 406.2547460116.
The spelling of 67049469 in words is "sixty-seven million, forty-nine thousand, four hundred sixty-nine".
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