Base | Representation |
---|---|
bin | 10001010011000… |
… | …00111010100010 |
3 | 101010000212101202 |
4 | 20221200322202 |
5 | 244121203300 |
6 | 22222001202 |
7 | 3411222245 |
oct | 1051407242 |
9 | 333025352 |
10 | 145100450 |
11 | 749a6130 |
12 | 40716202 |
13 | 240a4a71 |
14 | 153b125c |
15 | cb12ad5 |
hex | 8a60ea2 |
145100450 has 24 divisors (see below), whose sum is σ = 294423120. Its totient is φ = 52763600.
The previous prime is 145100441. The next prime is 145100497. The reversal of 145100450 is 54001541.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131360 + ... + 132459.
It is an arithmetic number, because the mean of its divisors is an integer number (12267630).
Almost surely, 2145100450 is an apocalyptic number.
145100450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145100450 is an abundant number, since it is smaller than the sum of its proper divisors (149322670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145100450 is a wasteful number, since it uses less digits than its factorization.
145100450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263842 (or 263837 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 145100450 is about 12045.7648159011. The cubic root of 145100450 is about 525.4800748555.
Adding to 145100450 its reverse (54001541), we get a palindrome (199101991).
The spelling of 145100450 in words is "one hundred forty-five million, one hundred thousand, four hundred fifty".
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