Base | Representation |
---|---|
bin | 1000001111100… |
… | …01110111101000 |
3 | 11211010002102002 |
4 | 10013301313220 |
5 | 120200220021 |
6 | 10510030132 |
7 | 1466515031 |
oct | 407616750 |
9 | 154102362 |
10 | 69148136 |
11 | 3603a022 |
12 | 1b1a8348 |
13 | 11430b75 |
14 | 927da88 |
15 | 610d50b |
hex | 41f1de8 |
69148136 has 16 divisors (see below), whose sum is σ = 131779140. Its totient is φ = 34007040.
The previous prime is 69148133. The next prime is 69148141. The reversal of 69148136 is 63184196.
It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 5244100 = 7994^2 + 2290^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 69148136.
It is not an unprimeable number, because it can be changed into a prime (69148133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70361 + ... + 71336.
Almost surely, 269148136 is an apocalyptic number.
It is an amenable number.
69148136 is a deficient number, since it is larger than the sum of its proper divisors (62631004).
69148136 is a wasteful number, since it uses less digits than its factorization.
69148136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141764 (or 141760 counting only the distinct ones).
The product of its digits is 31104, while the sum is 38.
The square root of 69148136 is about 8315.5358215812. The cubic root of 69148136 is about 410.4499046984.
The spelling of 69148136 in words is "sixty-nine million, one hundred forty-eight thousand, one hundred thirty-six".
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