Base | Representation |
---|---|
bin | 1111111111001… |
… | …1000110101101 |
3 | 11200011210121020 |
4 | 3333303012231 |
5 | 114131243140 |
6 | 10353124353 |
7 | 1442652450 |
oct | 377630655 |
9 | 150153536 |
10 | 67056045 |
11 | 34940221 |
12 | 1a5596b9 |
13 | 10b7a844 |
14 | 8c97497 |
15 | 5d486d0 |
hex | 3ff31ad |
67056045 has 16 divisors (see below), whose sum is σ = 122616960. Its totient is φ = 30654144.
The previous prime is 67056043. The next prime is 67056053. The reversal of 67056045 is 54065076.
It is not a de Polignac number, because 67056045 - 21 = 67056043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 67055997 and 67056015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67056043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319210 + ... + 319419.
It is an arithmetic number, because the mean of its divisors is an integer number (7663560).
Almost surely, 267056045 is an apocalyptic number.
It is an amenable number.
67056045 is a deficient number, since it is larger than the sum of its proper divisors (55560915).
67056045 is a wasteful number, since it uses less digits than its factorization.
67056045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 638644.
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 67056045 is about 8188.7755494946. The cubic root of 67056045 is about 406.2680269713.
Adding to 67056045 its reverse (54065076), we get a palindrome (121121121).
The spelling of 67056045 in words is "sixty-seven million, fifty-six thousand, forty-five".
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