Base | Representation |
---|---|
bin | 11001000010011… |
… | …101001000100001 |
3 | 1002021102222012221 |
4 | 121002131020201 |
5 | 1330014332032 |
6 | 105403351041 |
7 | 13260366406 |
oct | 3102351041 |
9 | 1067388187 |
10 | 420074017 |
11 | 1a6136910 |
12 | b8822481 |
13 | 6904c60c |
14 | 3db0c2ad |
15 | 26d2b597 |
hex | 1909d221 |
420074017 has 8 divisors (see below), whose sum is σ = 459463680. Its totient is φ = 380884560.
The previous prime is 420073991. The next prime is 420074023. The reversal of 420074017 is 710470024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 420074017 - 223 = 411685409 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 420073982 and 420074000.
It is not an unprimeable number, because it can be changed into a prime (420074027) 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 7 ways as a sum of consecutive naturals, for example, 45642 + ... + 54067.
It is an arithmetic number, because the mean of its divisors is an integer number (57432960).
Almost surely, 2420074017 is an apocalyptic number.
It is an amenable number.
420074017 is a deficient number, since it is larger than the sum of its proper divisors (39389663).
420074017 is a wasteful number, since it uses less digits than its factorization.
420074017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100103.
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 420074017 is about 20495.7072822579. The cubic root of 420074017 is about 748.9312285083.
The spelling of 420074017 in words is "four hundred twenty million, seventy-four thousand, seventeen".
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