Base | Representation |
---|---|
bin | 11101001111000… |
… | …00010011001010 |
3 | 122002110022211120 |
4 | 32213200103022 |
5 | 1000240040223 |
6 | 40200140110 |
7 | 6035323332 |
oct | 1647402312 |
9 | 562408746 |
10 | 245236938 |
11 | 116480161 |
12 | 6a167636 |
13 | 3ba6571b |
14 | 247da0c2 |
15 | 167e2be3 |
hex | e9e04ca |
245236938 has 16 divisors (see below), whose sum is σ = 495059040. Its totient is φ = 80981456.
The previous prime is 245236931. The next prime is 245236961. The reversal of 245236938 is 839632542.
It is a self number, because there is not a number n which added to its sum of digits gives 245236938.
It is not an unprimeable number, because it can be changed into a prime (245236931) 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, 190353 + ... + 191636.
It is an arithmetic number, because the mean of its divisors is an integer number (30941190).
Almost surely, 2245236938 is an apocalyptic number.
245236938 is an abundant number, since it is smaller than the sum of its proper divisors (249822102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245236938 is a wasteful number, since it uses less digits than its factorization.
245236938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382101.
The product of its digits is 311040, while the sum is 42.
The square root of 245236938 is about 15660.0427202482. The cubic root of 245236938 is about 625.9341235921.
The spelling of 245236938 in words is "two hundred forty-five million, two hundred thirty-six thousand, nine hundred thirty-eight".
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