Base | Representation |
---|---|
bin | 10100001001110… |
… | …10111011111010 |
3 | 102210010020122200 |
4 | 22010322323322 |
5 | 321234442023 |
6 | 24435331030 |
7 | 4122001350 |
oct | 1204727372 |
9 | 383106580 |
10 | 169062138 |
11 | 87481983 |
12 | 48750a76 |
13 | 2904448b |
14 | 1864b7d0 |
15 | ec97743 |
hex | a13aefa |
169062138 has 48 divisors (see below), whose sum is σ = 419380416. Its totient is φ = 48216960.
The previous prime is 169062097. The next prime is 169062143. The reversal of 169062138 is 831260961.
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110245 + ... + 111767.
It is an arithmetic number, because the mean of its divisors is an integer number (8737092).
Almost surely, 2169062138 is an apocalyptic number.
169062138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
169062138 is an abundant number, since it is smaller than the sum of its proper divisors (250318278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169062138 is a wasteful number, since it uses less digits than its factorization.
169062138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 169062138 is about 13002.3897034353. The cubic root of 169062138 is about 552.9452338162.
It can be divided in two parts, 16906 and 2138, that added together give a square (19044 = 1382).
The spelling of 169062138 in words is "one hundred sixty-nine million, sixty-two thousand, one hundred thirty-eight".
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