Base | Representation |
---|---|
bin | 10001010011111… |
… | …00011011101111 |
3 | 101010020121000110 |
4 | 20221330123233 |
5 | 244133310132 |
6 | 22224231103 |
7 | 3412202001 |
oct | 1051743357 |
9 | 333217013 |
10 | 145213167 |
11 | 74a72890 |
12 | 4076b493 |
13 | 24114168 |
14 | 15400371 |
15 | cb361cc |
hex | 8a7c6ef |
145213167 has 16 divisors (see below), whose sum is σ = 223644672. Its totient is φ = 82830720.
The previous prime is 145213157. The next prime is 145213169. The reversal of 145213167 is 761312541.
It is not a de Polignac number, because 145213167 - 24 = 145213151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145213169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128863 + ... + 129984.
It is an arithmetic number, because the mean of its divisors is an integer number (13977792).
Almost surely, 2145213167 is an apocalyptic number.
145213167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
145213167 is a deficient number, since it is larger than the sum of its proper divisors (78431505).
145213167 is a wasteful number, since it uses less digits than its factorization.
145213167 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258878.
The product of its digits is 5040, while the sum is 30.
The square root of 145213167 is about 12050.4426059793. The cubic root of 145213167 is about 525.6161075305.
It can be divided in two parts, 145 and 213167, that added together give a palindrome (213312).
The spelling of 145213167 in words is "one hundred forty-five million, two hundred thirteen thousand, one hundred sixty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •