Base | Representation |
---|---|
bin | 1000111011110010… |
… | …1111100010101000 |
3 | 20012010210122200222 |
4 | 2032330233202220 |
5 | 14402430204130 |
6 | 1033551345212 |
7 | 113301053261 |
oct | 21674574250 |
9 | 6163718628 |
10 | 2398288040 |
11 | 1020853335 |
12 | 56b222208 |
13 | 2c2b39665 |
14 | 18a735968 |
15 | e0838ce5 |
hex | 8ef2f8a8 |
2398288040 has 64 divisors (see below), whose sum is σ = 5448364560. Its totient is φ = 950077440.
The previous prime is 2398288037. The next prime is 2398288051. The reversal of 2398288040 is 408828932.
It can be written as a sum of positive squares in 8 ways, for example, as 1273490596 + 1124797444 = 35686^2 + 33538^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2398287982 and 2398288000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271514 + ... + 3272246.
Almost surely, 22398288040 is an apocalyptic number.
2398288040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2398288040 is an abundant number, since it is smaller than the sum of its proper divisors (3050076520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2398288040 is a wasteful number, since it uses less digits than its factorization.
2398288040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1422 (or 1418 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 44.
The square root of 2398288040 is about 48972.3191200907. The cubic root of 2398288040 is about 1338.5474793204.
The spelling of 2398288040 in words is "two billion, three hundred ninety-eight million, two hundred eighty-eight thousand, forty".
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