Base | Representation |
---|---|
bin | 1000000010001… |
… | …00101110000001 |
3 | 11200210210011102 |
4 | 10001010232001 |
5 | 114222442322 |
6 | 10404224145 |
7 | 1445544200 |
oct | 401045601 |
9 | 150723142 |
10 | 67390337 |
11 | 350493a3 |
12 | 1a69b055 |
13 | 10c66a51 |
14 | 8d43237 |
15 | 5db2792 |
hex | 4044b81 |
67390337 has 6 divisors (see below), whose sum is σ = 78392898. Its totient is φ = 57763104.
The previous prime is 67390319. The next prime is 67390343. The reversal of 67390337 is 73309376.
It can be written as a sum of positive squares in only one way, i.e., 54745201 + 12645136 = 7399^2 + 3556^2 .
It is not a de Polignac number, because 67390337 - 210 = 67389313 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67390337.
It is not an unprimeable number, because it can be changed into a prime (67390307) 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, 687608 + ... + 687705.
It is an arithmetic number, because the mean of its divisors is an integer number (13065483).
Almost surely, 267390337 is an apocalyptic number.
It is an amenable number.
67390337 is a deficient number, since it is larger than the sum of its proper divisors (11002561).
67390337 is a wasteful number, since it uses less digits than its factorization.
67390337 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1375327 (or 1375320 counting only the distinct ones).
The product of its (nonzero) digits is 71442, while the sum is 38.
The square root of 67390337 is about 8209.1617720691. The cubic root of 67390337 is about 406.9420258024.
It can be divided in two parts, 67390 and 337, that multiplied together give a triangular number (22710430 = T6739).
The spelling of 67390337 in words is "sixty-seven million, three hundred ninety thousand, three hundred thirty-seven".
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