Base | Representation |
---|---|
bin | 11100011001000… |
… | …10110010001001 |
3 | 121121011020202102 |
4 | 32030202302021 |
5 | 441432403400 |
6 | 35344443145 |
7 | 5621255630 |
oct | 1614426211 |
9 | 547136672 |
10 | 238169225 |
11 | 112493078 |
12 | 679194b5 |
13 | 3a45c748 |
14 | 238ba517 |
15 | 15d989d5 |
hex | e322c89 |
238169225 has 12 divisors (see below), whose sum is σ = 337520064. Its totient is φ = 163315920.
The previous prime is 238169219. The next prime is 238169231. The reversal of 238169225 is 522961832.
It is an interprime number because it is at equal distance from previous prime (238169219) and next prime (238169231).
It is not a de Polignac number, because 238169225 - 28 = 238168969 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680309 + ... + 680658.
It is an arithmetic number, because the mean of its divisors is an integer number (28126672).
Almost surely, 2238169225 is an apocalyptic number.
238169225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
238169225 is a deficient number, since it is larger than the sum of its proper divisors (99350839).
238169225 is a wasteful number, since it uses less digits than its factorization.
238169225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1360984 (or 1360979 counting only the distinct ones).
The product of its digits is 51840, while the sum is 38.
The square root of 238169225 is about 15432.7322597134. The cubic root of 238169225 is about 619.8622873119.
The spelling of 238169225 in words is "two hundred thirty-eight million, one hundred sixty-nine thousand, two hundred twenty-five".
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