Base | Representation |
---|---|
bin | 10000100101101… |
… | …00110001100101 |
3 | 100200211200022202 |
4 | 20102310301211 |
5 | 241110334420 |
6 | 21450304245 |
7 | 3306530243 |
oct | 1022646145 |
9 | 320750282 |
10 | 139152485 |
11 | 7160335a |
12 | 3a728085 |
13 | 22aa1664 |
14 | 146a3793 |
15 | c33a575 |
hex | 84b4c65 |
139152485 has 16 divisors (see below), whose sum is σ = 177490560. Its totient is φ = 104431680.
The previous prime is 139152473. The next prime is 139152487. The reversal of 139152485 is 584251931.
It is a happy number.
It is not a de Polignac number, because 139152485 - 216 = 139086949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139152487) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675 + ... + 16895.
It is an arithmetic number, because the mean of its divisors is an integer number (11093160).
Almost surely, 2139152485 is an apocalyptic number.
It is an amenable number.
139152485 is a deficient number, since it is larger than the sum of its proper divisors (38338075).
139152485 is a wasteful number, since it uses less digits than its factorization.
139152485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14348.
The product of its digits is 43200, while the sum is 38.
The square root of 139152485 is about 11796.2911544265. The cubic root of 139152485 is about 518.1994990423.
The spelling of 139152485 in words is "one hundred thirty-nine million, one hundred fifty-two thousand, four hundred eighty-five".
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