Base | Representation |
---|---|
bin | 11101010111110… |
… | …100111001010110 |
3 | 1021100021002021010 |
4 | 131113310321112 |
5 | 2002123111423 |
6 | 120522033050 |
7 | 15132414441 |
oct | 3527647126 |
9 | 1240232233 |
10 | 492785238 |
11 | 233189930 |
12 | 119048786 |
13 | 7b12a1ca |
14 | 49638658 |
15 | 2d3e0693 |
hex | 1d5f4e56 |
492785238 has 32 divisors (see below), whose sum is σ = 1109855232. Its totient is φ = 144511200.
The previous prime is 492785233. The next prime is 492785243. The reversal of 492785238 is 832587294.
It is an interprime number because it is at equal distance from previous prime (492785233) and next prime (492785243).
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492785231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118381 + ... + 122472.
It is an arithmetic number, because the mean of its divisors is an integer number (34682976).
Almost surely, 2492785238 is an apocalyptic number.
492785238 is an abundant number, since it is smaller than the sum of its proper divisors (617069994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492785238 is a wasteful number, since it uses less digits than its factorization.
492785238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240900.
The product of its digits is 967680, while the sum is 48.
The square root of 492785238 is about 22198.7665873580. The cubic root of 492785238 is about 789.8644418370.
The spelling of 492785238 in words is "four hundred ninety-two million, seven hundred eighty-five thousand, two hundred thirty-eight".
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