Base | Representation |
---|---|
bin | 1000001001011… |
… | …01001010110110 |
3 | 11202121011020000 |
4 | 10010231022312 |
5 | 114443424304 |
6 | 10440452130 |
7 | 1456621065 |
oct | 404551266 |
9 | 152534200 |
10 | 68342454 |
11 | 35639774 |
12 | 1aa7a046 |
13 | 1120b22b |
14 | 91101dc |
15 | 5eee939 |
hex | 412d2b6 |
68342454 has 40 divisors (see below), whose sum is σ = 155262360. Its totient is φ = 22464864.
The previous prime is 68342429. The next prime is 68342459. The reversal of 68342454 is 45424386.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68342459) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8937 + ... + 14715.
It is an arithmetic number, because the mean of its divisors is an integer number (3881559).
Almost surely, 268342454 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68342454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77631180).
68342454 is an abundant number, since it is smaller than the sum of its proper divisors (86919906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68342454 is a wasteful number, since it uses less digits than its factorization.
68342454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5866 (or 5857 counting only the distinct ones).
The product of its digits is 92160, while the sum is 36.
The square root of 68342454 is about 8266.9494978499. The cubic root of 68342454 is about 408.8495490216.
The spelling of 68342454 in words is "sixty-eight million, three hundred forty-two thousand, four hundred fifty-four".
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