Base | Representation |
---|---|
bin | 10000011001100… |
… | …011011011000001 |
3 | 201011201021002112 |
4 | 100121203123001 |
5 | 1030413243040 |
6 | 43145025105 |
7 | 6550413236 |
oct | 2031433301 |
9 | 634637075 |
10 | 275134145 |
11 | 1313403a0 |
12 | 78185195 |
13 | 45002990 |
14 | 2877d78d |
15 | 1924b365 |
hex | 106636c1 |
275134145 has 32 divisors (see below), whose sum is σ = 400425984. Its totient is φ = 178732800.
The previous prime is 275134091. The next prime is 275134147. The reversal of 275134145 is 541431572.
It is not a de Polignac number, because 275134145 - 214 = 275117761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (275134147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15959 + ... + 28371.
It is an arithmetic number, because the mean of its divisors is an integer number (12513312).
Almost surely, 2275134145 is an apocalyptic number.
It is an amenable number.
275134145 is a deficient number, since it is larger than the sum of its proper divisors (125291839).
275134145 is a wasteful number, since it uses less digits than its factorization.
275134145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12473.
The product of its digits is 16800, while the sum is 32.
The square root of 275134145 is about 16587.1680825872. The cubic root of 275134145 is about 650.4014443220.
The spelling of 275134145 in words is "two hundred seventy-five million, one hundred thirty-four thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •