Base | Representation |
---|---|
bin | 1000000100010… |
… | …10101001001001 |
3 | 11201100100001010 |
4 | 10002022221021 |
5 | 114311123440 |
6 | 10414314133 |
7 | 1451146203 |
oct | 402125111 |
9 | 151310033 |
10 | 67676745 |
11 | 352245a4 |
12 | 1a7b8949 |
13 | 11037216 |
14 | 8db9773 |
15 | 5e1c580 |
hex | 408aa49 |
67676745 has 16 divisors (see below), whose sum is σ = 114652800. Its totient is φ = 33970944.
The previous prime is 67676743. The next prime is 67676753. The reversal of 67676745 is 54767676.
It is not a de Polignac number, because 67676745 - 21 = 67676743 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 67676694 and 67676703.
It is not an unprimeable number, because it can be changed into a prime (67676743) 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, 132445 + ... + 132954.
It is an arithmetic number, because the mean of its divisors is an integer number (7165800).
Almost surely, 267676745 is an apocalyptic number.
It is an amenable number.
67676745 is a deficient number, since it is larger than the sum of its proper divisors (46976055).
67676745 is a wasteful number, since it uses less digits than its factorization.
67676745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265424.
The product of its digits is 1481760, while the sum is 48.
The square root of 67676745 is about 8226.5876887079. The cubic root of 67676745 is about 407.5177103472.
It can be divided in two parts, 676 and 76745, that added together give a triangular number (77421 = T393).
The spelling of 67676745 in words is "sixty-seven million, six hundred seventy-six thousand, seven hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •