Base | Representation |
---|---|
bin | 11100011100011… |
… | …10101100010000 |
3 | 121121222201001110 |
4 | 32032032230100 |
5 | 442041024331 |
6 | 35402133320 |
7 | 5625106344 |
oct | 1616165420 |
9 | 547881043 |
10 | 238611216 |
11 | 112765158 |
12 | 67ab1240 |
13 | 3a58598c |
14 | 23993624 |
15 | 15e34946 |
hex | e38eb10 |
238611216 has 40 divisors (see below), whose sum is σ = 636300544. Its totient is φ = 76970880.
The previous prime is 238611211. The next prime is 238611229. The reversal of 238611216 is 612116832.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (238611211) by changing a digit.
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, 78691 + ... + 81666.
Almost surely, 2238611216 is an apocalyptic number.
It is an amenable number.
238611216 is an abundant number, since it is smaller than the sum of its proper divisors (397689328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238611216 is a wasteful number, since it uses less digits than its factorization.
238611216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160399 (or 160393 counting only the distinct ones).
The product of its digits is 3456, while the sum is 30.
The square root of 238611216 is about 15447.0455427567. The cubic root of 238611216 is about 620.2454941795.
The spelling of 238611216 in words is "two hundred thirty-eight million, six hundred eleven thousand, two hundred sixteen".
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