Base | Representation |
---|---|
bin | 1000001010100… |
… | …01111110100110 |
3 | 11202212211001000 |
4 | 10011101332212 |
5 | 120013240342 |
6 | 10444014130 |
7 | 1461116460 |
oct | 405217646 |
9 | 152784030 |
10 | 68493222 |
11 | 35731a76 |
12 | 1ab31346 |
13 | 11261a45 |
14 | 914d130 |
15 | 602e44c |
hex | 4151fa6 |
68493222 has 32 divisors (see below), whose sum is σ = 173952000. Its totient is φ = 19569384.
The previous prime is 68493197. The next prime is 68493263. The reversal of 68493222 is 22239486.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90222 + ... + 90977.
It is an arithmetic number, because the mean of its divisors is an integer number (5436000).
Almost surely, 268493222 is an apocalyptic number.
68493222 is an abundant number, since it is smaller than the sum of its proper divisors (105458778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68493222 is a wasteful number, since it uses less digits than its factorization.
68493222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181217 (or 181211 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 68493222 is about 8276.0631945388. The cubic root of 68493222 is about 409.1499779756.
The spelling of 68493222 in words is "sixty-eight million, four hundred ninety-three thousand, two hundred twenty-two".
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