Base | Representation |
---|---|
bin | 10001010010111… |
… | …00001000111101 |
3 | 101002222212120102 |
4 | 20221130020331 |
5 | 244120042033 |
6 | 22221330445 |
7 | 3411111236 |
oct | 1051341075 |
9 | 332885512 |
10 | 145080893 |
11 | 74992471 |
12 | 40706a25 |
13 | 24098ba9 |
14 | 153a808d |
15 | cb0bde8 |
hex | 8a5c23d |
145080893 has 4 divisors (see below), whose sum is σ = 146917440. Its totient is φ = 143244348.
The previous prime is 145080883. The next prime is 145080911. The reversal of 145080893 is 398080541.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398080541 = 43 ⋅9257687.
It is a cyclic number.
It is not a de Polignac number, because 145080893 - 24 = 145080877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145080883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918155 + ... + 918312.
It is an arithmetic number, because the mean of its divisors is an integer number (36729360).
Almost surely, 2145080893 is an apocalyptic number.
It is an amenable number.
145080893 is a deficient number, since it is larger than the sum of its proper divisors (1836547).
145080893 is an equidigital number, since it uses as much as digits as its factorization.
145080893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1836546.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 145080893 is about 12044.9530094559. The cubic root of 145080893 is about 525.4564652904.
The spelling of 145080893 in words is "one hundred forty-five million, eighty thousand, eight hundred ninety-three".
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