Base | Representation |
---|---|
bin | 1000000110100… |
… | …11011100000000 |
3 | 11201220111001100 |
4 | 10003103130000 |
5 | 114400144122 |
6 | 10424534400 |
7 | 1453530405 |
oct | 403233400 |
9 | 151814040 |
10 | 67974912 |
11 | 35408615 |
12 | 1a921400 |
13 | 1110cb55 |
14 | 90562ac |
15 | 5e7aaac |
hex | 40d3700 |
67974912 has 108 divisors (see below), whose sum is σ = 198280264. Its totient is φ = 22394880.
The previous prime is 67974901. The next prime is 67974937. The reversal of 67974912 is 21947976.
It is a super-2 number, since 2×679749122 = 9241177322815488, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375462 + ... + 375642.
Almost surely, 267974912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67974912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99140132).
67974912 is an abundant number, since it is smaller than the sum of its proper divisors (130305352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67974912 is a wasteful number, since it uses less digits than its factorization.
67974912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366 (or 349 counting only the distinct ones).
The product of its digits is 190512, while the sum is 45.
The square root of 67974912 is about 8244.6899274624. The cubic root of 67974912 is about 408.1153076628.
It can be divided in two parts, 67974 and 912, that added together give a palindrome (68886).
The spelling of 67974912 in words is "sixty-seven million, nine hundred seventy-four thousand, nine hundred twelve".
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