Base | Representation |
---|---|
bin | 10100001001111… |
… | …00101010111000 |
3 | 102210010121101201 |
4 | 22010330222320 |
5 | 321240203430 |
6 | 24435423544 |
7 | 4122031144 |
oct | 1204745270 |
9 | 383117351 |
10 | 169069240 |
11 | 8748724a |
12 | 48754bb4 |
13 | 29047792 |
14 | 18650224 |
15 | ec998ca |
hex | a13cab8 |
169069240 has 32 divisors (see below), whose sum is σ = 389687760. Its totient is φ = 65977600.
The previous prime is 169069223. The next prime is 169069261. The reversal of 169069240 is 42960961.
It is a self number, because there is not a number n which added to its sum of digits gives 169069240.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49906 + ... + 53185.
Almost surely, 2169069240 is an apocalyptic number.
169069240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
169069240 is an abundant number, since it is smaller than the sum of its proper divisors (220618520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169069240 is a wasteful number, since it uses less digits than its factorization.
169069240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103143 (or 103139 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 169069240 is about 13002.6628042105. The cubic root of 169069240 is about 552.9529764567.
The spelling of 169069240 in words is "one hundred sixty-nine million, sixty-nine thousand, two hundred forty".
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