Base | Representation |
---|---|
bin | 11100011010100… |
… | …01110010000010 |
3 | 121121112000211020 |
4 | 32031101302002 |
5 | 442010033410 |
6 | 35352530310 |
7 | 5623020105 |
oct | 1615216202 |
9 | 547460736 |
10 | 238361730 |
11 | 112604772 |
12 | 679b0996 |
13 | 3a4c9259 |
14 | 2392a73c |
15 | 15dd5a70 |
hex | e351c82 |
238361730 has 32 divisors (see below), whose sum is σ = 591796800. Its totient is φ = 61371072.
The previous prime is 238361693. The next prime is 238361789. The reversal of 238361730 is 37163832.
It is a junction number, because it is equal to n+sod(n) for n = 238361691 and 238361700.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136120 + ... + 137859.
It is an arithmetic number, because the mean of its divisors is an integer number (18493650).
Almost surely, 2238361730 is an apocalyptic number.
238361730 is an abundant number, since it is smaller than the sum of its proper divisors (353435070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238361730 is a wasteful number, since it uses less digits than its factorization.
238361730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274018.
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 238361730 is about 15438.9679059191. The cubic root of 238361730 is about 620.0292476664.
The spelling of 238361730 in words is "two hundred thirty-eight million, three hundred sixty-one thousand, seven hundred thirty".
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