Base | Representation |
---|---|
bin | 10001011001010… |
… | …11100100010000 |
3 | 101011121001000210 |
4 | 20230223210100 |
5 | 244324234022 |
6 | 22251444120 |
7 | 3421250250 |
oct | 1054534420 |
9 | 334531023 |
10 | 145930512 |
11 | 75412832 |
12 | 40a56640 |
13 | 24305820 |
14 | 15549960 |
15 | cc28a0c |
hex | 8b2b910 |
145930512 has 80 divisors (see below), whose sum is σ = 463998080. Its totient is φ = 38486016.
The previous prime is 145930487. The next prime is 145930549. The reversal of 145930512 is 215039541.
It is a self number, because there is not a number n which added to its sum of digits gives 145930512.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12337 + ... + 21072.
It is an arithmetic number, because the mean of its divisors is an integer number (5799976).
Almost surely, 2145930512 is an apocalyptic number.
145930512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145930512 is an abundant number, since it is smaller than the sum of its proper divisors (318067568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145930512 is a wasteful number, since it uses less digits than its factorization.
145930512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33440 (or 33434 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 145930512 is about 12080.1701974765. The cubic root of 145930512 is about 526.4801910641.
The spelling of 145930512 in words is "one hundred forty-five million, nine hundred thirty thousand, five hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •