Base | Representation |
---|---|
bin | 10001010010000… |
… | …01110110010101 |
3 | 101002210101211222 |
4 | 20221001312111 |
5 | 244103120310 |
6 | 22215140125 |
7 | 3410152256 |
oct | 1051016625 |
9 | 332711758 |
10 | 144973205 |
11 | 74919573 |
12 | 40674645 |
13 | 2405bb80 |
14 | 1537ab2d |
15 | cada055 |
hex | 8a41d95 |
144973205 has 16 divisors (see below), whose sum is σ = 193396224. Its totient is φ = 103602240.
The previous prime is 144973189. The next prime is 144973223. The reversal of 144973205 is 502379441.
It is not a de Polignac number, because 144973205 - 24 = 144973189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33959 + ... + 37988.
It is an arithmetic number, because the mean of its divisors is an integer number (12087264).
Almost surely, 2144973205 is an apocalyptic number.
It is an amenable number.
144973205 is a deficient number, since it is larger than the sum of its proper divisors (48423019).
144973205 is a wasteful number, since it uses less digits than its factorization.
144973205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71996.
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 144973205 is about 12040.4819255709. The cubic root of 144973205 is about 525.3264243622.
The spelling of 144973205 in words is "one hundred forty-four million, nine hundred seventy-three thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •