Base | Representation |
---|---|
bin | 100000000011… |
… | …1010001011001 |
3 | 1011121212212112 |
4 | 1000013101121 |
5 | 13300311001 |
6 | 1400122105 |
7 | 262600001 |
oct | 100072131 |
9 | 34555775 |
10 | 16807001 |
11 | 953a392 |
12 | 5766335 |
13 | 3635c93 |
14 | 2337001 |
15 | 171ecbb |
hex | 1007459 |
16807001 has 4 divisors (see below), whose sum is σ = 17691600. Its totient is φ = 15922404.
The previous prime is 16806983. The next prime is 16807003. The reversal of 16807001 is 10070861.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10070861 = 73 ⋅137957.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16807001 is a prime.
It is a super-2 number, since 2×168070012 = 564950565228002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (16807003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442271 + ... + 442308.
It is an arithmetic number, because the mean of its divisors is an integer number (4422900).
Almost surely, 216807001 is an apocalyptic number.
It is an amenable number.
16807001 is a deficient number, since it is larger than the sum of its proper divisors (884599).
16807001 is an equidigital number, since it uses as much as digits as its factorization.
16807001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 884598.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 16807001 is about 4099.6342519791. The cubic root of 16807001 is about 256.1514047819.
Adding to 16807001 its reverse (10070861), we get a palindrome (26877862).
The spelling of 16807001 in words is "sixteen million, eight hundred seven thousand, one".
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