Base | Representation |
---|---|
bin | 1111111111011… |
… | …1101001000110 |
3 | 11200012202002120 |
4 | 3333313221012 |
5 | 114132342010 |
6 | 10353350410 |
7 | 1443060600 |
oct | 377675106 |
9 | 150182076 |
10 | 67074630 |
11 | 34953187 |
12 | 1a568406 |
13 | 10b8613c |
14 | 8ca0170 |
15 | 5d4de70 |
hex | 3ff7a46 |
67074630 has 96 divisors (see below), whose sum is σ = 189506304. Its totient is φ = 15148224.
The previous prime is 67074619. The next prime is 67074661. The reversal of 67074630 is 3647076.
It is a junction number, because it is equal to n+sod(n) for n = 67074591 and 67074600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151189 + ... + 151631.
It is an arithmetic number, because the mean of its divisors is an integer number (1974024).
Almost surely, 267074630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67074630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94753152).
67074630 is an abundant number, since it is smaller than the sum of its proper divisors (122431674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67074630 is a wasteful number, since it uses less digits than its factorization.
67074630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570 (or 563 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 33.
The square root of 67074630 is about 8189.9102559186. The cubic root of 67074630 is about 406.3055567412.
The spelling of 67074630 in words is "sixty-seven million, seventy-four thousand, six hundred thirty".
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