Base | Representation |
---|---|
bin | 11100011101000… |
… | …00101101111011 |
3 | 121122010110100002 |
4 | 32032200231323 |
5 | 442100410201 |
6 | 35403503215 |
7 | 5625534533 |
oct | 1616405573 |
9 | 548113302 |
10 | 238685051 |
11 | 112805680 |
12 | 67b27b0b |
13 | 3a5b0477 |
14 | 239b24c3 |
15 | 15e4b76b |
hex | e3a0b7b |
238685051 has 12 divisors (see below), whose sum is σ = 269682504. Its totient is φ = 209496000.
The previous prime is 238685033. The next prime is 238685063. The reversal of 238685051 is 150586832.
It is not a de Polignac number, because 238685051 - 26 = 238684987 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 238684996 and 238685014.
It is not an unprimeable number, because it can be changed into a prime (238685071) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3650 + ... + 22151.
It is an arithmetic number, because the mean of its divisors is an integer number (22473542).
Almost surely, 2238685051 is an apocalyptic number.
238685051 is a deficient number, since it is larger than the sum of its proper divisors (30997453).
238685051 is a wasteful number, since it uses less digits than its factorization.
238685051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25870 (or 25841 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 38.
The square root of 238685051 is about 15449.4352971233. The cubic root of 238685051 is about 620.3094630966.
The spelling of 238685051 in words is "two hundred thirty-eight million, six hundred eighty-five thousand, fifty-one".
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