Base | Representation |
---|---|
bin | 1001000001000100… |
… | …0111000010100101 |
3 | 20020200102021122000 |
4 | 2100101013002211 |
5 | 14424110420024 |
6 | 1040101355513 |
7 | 113660045364 |
oct | 22021070245 |
9 | 6220367560 |
10 | 2420404389 |
11 | 1032289707 |
12 | 576708b99 |
13 | 2c75b1160 |
14 | 18d6517db |
15 | e2756cc9 |
hex | 904470a5 |
2420404389 has 16 divisors (see below), whose sum is σ = 3861614400. Its totient is φ = 1489479408.
The previous prime is 2420404387. The next prime is 2420404403. The reversal of 2420404389 is 9834040242.
2420404389 is a `hidden beast` number, since 242 + 0 + 404 + 3 + 8 + 9 = 666.
It is not a de Polignac number, because 2420404389 - 21 = 2420404387 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2420404381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447519 + ... + 3448220.
It is an arithmetic number, because the mean of its divisors is an integer number (241350900).
Almost surely, 22420404389 is an apocalyptic number.
It is an amenable number.
2420404389 is a deficient number, since it is larger than the sum of its proper divisors (1441210011).
2420404389 is a wasteful number, since it uses less digits than its factorization.
2420404389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6895761 (or 6895755 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 2420404389 is about 49197.6055210007. The cubic root of 2420404389 is about 1342.6494674569.
The spelling of 2420404389 in words is "two billion, four hundred twenty million, four hundred four thousand, three hundred eighty-nine".
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