Base | Representation |
---|---|
bin | 10001010010111… |
… | …00101100100100 |
3 | 101002222222200211 |
4 | 20221130230210 |
5 | 244120130142 |
6 | 22221345204 |
7 | 3411121003 |
oct | 1051345444 |
9 | 332888624 |
10 | 145083172 |
11 | 74994153 |
12 | 40708204 |
13 | 24099c40 |
14 | 153a8c3a |
15 | cb0c917 |
hex | 8a5cb24 |
145083172 has 96 divisors (see below), whose sum is σ = 304819200. Its totient is φ = 59845632.
The previous prime is 145083097. The next prime is 145083173. The reversal of 145083172 is 271380541.
It is not an unprimeable number, because it can be changed into a prime (145083173) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630104 + ... + 1630192.
It is an arithmetic number, because the mean of its divisors is an integer number (3175200).
Almost surely, 2145083172 is an apocalyptic number.
It is an amenable number.
145083172 is an abundant number, since it is smaller than the sum of its proper divisors (159736028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145083172 is a wasteful number, since it uses less digits than its factorization.
145083172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205 (or 203 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 145083172 is about 12045.0476130234. The cubic root of 145083172 is about 525.4592166498.
The spelling of 145083172 in words is "one hundred forty-five million, eighty-three thousand, one hundred seventy-two".
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