Base | Representation |
---|---|
bin | 1000000000010… |
… | …01010101110010 |
3 | 11200100102112110 |
4 | 10000021111302 |
5 | 114142201442 |
6 | 10355110150 |
7 | 1443512130 |
oct | 400112562 |
9 | 150312473 |
10 | 67147122 |
11 | 349a2699 |
12 | 1a5a2356 |
13 | 10bb0133 |
14 | 8cbc750 |
15 | 5d6569c |
hex | 4009572 |
67147122 has 48 divisors (see below), whose sum is σ = 159037632. Its totient is φ = 18513600.
The previous prime is 67147117. The next prime is 67147141. The reversal of 67147122 is 22174176.
It is a self number, because there is not a number n which added to its sum of digits gives 67147122.
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, 34372 + ... + 36272.
It is an arithmetic number, because the mean of its divisors is an integer number (3313284).
Almost surely, 267147122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67147122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79518816).
67147122 is an abundant number, since it is smaller than the sum of its proper divisors (91890510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67147122 is a wasteful number, since it uses less digits than its factorization.
67147122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1971 (or 1942 counting only the distinct ones).
The product of its digits is 4704, while the sum is 30.
The square root of 67147122 is about 8194.3347503016. The cubic root of 67147122 is about 406.4518778260.
The spelling of 67147122 in words is "sixty-seven million, one hundred forty-seven thousand, one hundred twenty-two".
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