Base | Representation |
---|---|
bin | 10001010010011… |
… | …11101110100111 |
3 | 101002220021211112 |
4 | 20221033232213 |
5 | 244111430210 |
6 | 22220255235 |
7 | 3410510102 |
oct | 1051175647 |
9 | 332807745 |
10 | 145030055 |
11 | 74958255 |
12 | 406a151b |
13 | 2407ba01 |
14 | 15393739 |
15 | caebd05 |
hex | 8a4fba7 |
145030055 has 8 divisors (see below), whose sum is σ = 174476832. Its totient is φ = 115730208.
The previous prime is 145030037. The next prime is 145030069. The reversal of 145030055 is 550030541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145030055 - 28 = 145029799 is a prime.
It is a super-3 number, since 3×1450300553 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 145030055.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34547 + ... + 38516.
It is an arithmetic number, because the mean of its divisors is an integer number (21809604).
Almost surely, 2145030055 is an apocalyptic number.
145030055 is a deficient number, since it is larger than the sum of its proper divisors (29446777).
145030055 is an equidigital number, since it uses as much as digits as its factorization.
145030055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73465.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 145030055 is about 12042.8424800792. The cubic root of 145030055 is about 525.3950828068.
Adding to 145030055 its reverse (550030541), we get a palindrome (695060596).
The spelling of 145030055 in words is "one hundred forty-five million, thirty thousand, fifty-five".
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