Base | Representation |
---|---|
bin | 10001010100001… |
… | …10111001101110 |
3 | 101010022202211120 |
4 | 20222012321232 |
5 | 244141143141 |
6 | 22225201410 |
7 | 3412441005 |
oct | 1052067156 |
9 | 333282746 |
10 | 145256046 |
11 | 74aa2021 |
12 | 40790266 |
13 | 2412a830 |
14 | 15411c3c |
15 | cb43c66 |
hex | 8a86e6e |
145256046 has 32 divisors (see below), whose sum is σ = 314512800. Its totient is φ = 44457984.
The previous prime is 145256039. The next prime is 145256047. The reversal of 145256046 is 640652541.
145256046 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 145255998 and 145256016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145256047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10230 + ... + 19878.
It is an arithmetic number, because the mean of its divisors is an integer number (9828525).
Almost surely, 2145256046 is an apocalyptic number.
145256046 is an abundant number, since it is smaller than the sum of its proper divisors (169256754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145256046 is a wasteful number, since it uses less digits than its factorization.
145256046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9860.
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 145256046 is about 12052.2216209295. The cubic root of 145256046 is about 525.6678376308.
The spelling of 145256046 in words is "one hundred forty-five million, two hundred fifty-six thousand, forty-six".
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