Base | Representation |
---|---|
bin | 11011000100011… |
… | …000010110010110 |
3 | 1011122112100120000 |
4 | 123010120112112 |
5 | 1412224230032 |
6 | 113021352130 |
7 | 14153032221 |
oct | 3304302626 |
9 | 1148470500 |
10 | 454133142 |
11 | 213389a51 |
12 | 108108646 |
13 | 73116048 |
14 | 444565b8 |
15 | 29d07e7c |
hex | 1b118596 |
454133142 has 20 divisors (see below), whose sum is σ = 1017594996. Its totient is φ = 151377660.
The previous prime is 454133123. The next prime is 454133149. The reversal of 454133142 is 241331454.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (454133149) by changing a digit.
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 9 ways as a sum of consecutive naturals, for example, 1401484 + ... + 1401807.
Almost surely, 2454133142 is an apocalyptic number.
454133142 is an abundant number, since it is smaller than the sum of its proper divisors (563461854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454133142 is a wasteful number, since it uses less digits than its factorization.
454133142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2803305 (or 2803296 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 454133142 is about 21310.3998554696. The cubic root of 454133142 is about 768.6484087049.
Adding to 454133142 its reverse (241331454), we get a palindrome (695464596).
The spelling of 454133142 in words is "four hundred fifty-four million, one hundred thirty-three thousand, one hundred forty-two".
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