Base | Representation |
---|---|
bin | 10001010010011… |
… | …11110001000100 |
3 | 101002220022001100 |
4 | 20221033301010 |
5 | 244111431322 |
6 | 22220300100 |
7 | 3410510415 |
oct | 1051176104 |
9 | 332808040 |
10 | 145030212 |
11 | 74958388 |
12 | 406a1630 |
13 | 2407bac2 |
14 | 1539380c |
15 | caebdac |
hex | 8a4fc44 |
145030212 has 36 divisors (see below), whose sum is σ = 367046316. Its totient is φ = 48285120.
The previous prime is 145030199. The next prime is 145030241. The reversal of 145030212 is 212030541.
145030212 is a `hidden beast` number, since 1 + 450 + 3 + 0 + 212 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 107868996 = 6096^2 + 10386^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36298 + ... + 40094.
It is an arithmetic number, because the mean of its divisors is an integer number (10195731).
Almost surely, 2145030212 is an apocalyptic number.
145030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145030212 is an abundant number, since it is smaller than the sum of its proper divisors (222016104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145030212 is a wasteful number, since it uses less digits than its factorization.
145030212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4868 (or 4863 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 145030212 is about 12042.8489984721. The cubic root of 145030212 is about 525.3952723928.
Adding to 145030212 its reverse (212030541), we get a palindrome (357060753).
The spelling of 145030212 in words is "one hundred forty-five million, thirty thousand, two hundred twelve".
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