Base | Representation |
---|---|
bin | 1000000101000… |
… | …10100011011000 |
3 | 11201112022101100 |
4 | 10002202203120 |
5 | 114322242210 |
6 | 10420351400 |
7 | 1452034551 |
oct | 402424330 |
9 | 151468340 |
10 | 67774680 |
11 | 35291136 |
12 | 1a845560 |
13 | 1106c97c |
14 | 9003328 |
15 | 5e3b5c0 |
hex | 40a28d8 |
67774680 has 96 divisors (see below), whose sum is σ = 227410560. Its totient is φ = 17487360.
The previous prime is 67774673. The next prime is 67774703. The reversal of 67774680 is 8647776.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent 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, 8124 + ... + 14196.
It is an arithmetic number, because the mean of its divisors is an integer number (2368860).
Almost surely, 267774680 is an apocalyptic number.
67774680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67774680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113705280).
67774680 is an abundant number, since it is smaller than the sum of its proper divisors (159635880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67774680 is a wasteful number, since it uses less digits than its factorization.
67774680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6121 (or 6114 counting only the distinct ones).
The product of its (nonzero) digits is 395136, while the sum is 45.
The square root of 67774680 is about 8232.5378833018. The cubic root of 67774680 is about 407.7141885272.
It can be divided in two parts, 677 and 74680, that added together give a palindrome (75357).
The spelling of 67774680 in words is "sixty-seven million, seven hundred seventy-four thousand, six hundred eighty".
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