Base | Representation |
---|---|
bin | 10001010010010… |
… | …01001100011010 |
3 | 101002211221010020 |
4 | 20221021030122 |
5 | 244110101130 |
6 | 22215531310 |
7 | 3410336055 |
oct | 1051111432 |
9 | 332757106 |
10 | 145003290 |
11 | 7493a133 |
12 | 40689b36 |
13 | 2406c783 |
14 | 15387a9c |
15 | cae3e10 |
hex | 8a4931a |
145003290 has 16 divisors (see below), whose sum is σ = 348007968. Its totient is φ = 38667536.
The previous prime is 145003289. The next prime is 145003301. The reversal of 145003290 is 92300541.
It is a super-3 number, since 3×1450032903 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 145003290.
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 7 ways as a sum of consecutive naturals, for example, 2416692 + ... + 2416751.
It is an arithmetic number, because the mean of its divisors is an integer number (21750498).
Almost surely, 2145003290 is an apocalyptic number.
145003290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145003290 is an abundant number, since it is smaller than the sum of its proper divisors (203004678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145003290 is a wasteful number, since it uses less digits than its factorization.
145003290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4833453.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 145003290 is about 12041.7311878318. The cubic root of 145003290 is about 525.3627606225.
The spelling of 145003290 in words is "one hundred forty-five million, three thousand, two hundred ninety".
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