Base | Representation |
---|---|
bin | 100000000111… |
… | …1110100101001 |
3 | 1011200122220201 |
4 | 1000033310221 |
5 | 13302421100 |
6 | 1400552201 |
7 | 263104054 |
oct | 100176451 |
9 | 34618821 |
10 | 16842025 |
11 | 9563732 |
12 | 5782661 |
13 | 3648bc5 |
14 | 2345a9b |
15 | 172a36a |
hex | 100fd29 |
16842025 has 12 divisors (see below), whose sum is σ = 21371152. Its totient is φ = 13159440.
The previous prime is 16842017. The next prime is 16842029. The reversal of 16842025 is 52024861.
It is not a de Polignac number, because 16842025 - 23 = 16842017 is a prime.
It is a super-2 number, since 2×168420252 = 567307612201250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 16841984 and 16842002.
It is not an unprimeable number, because it can be changed into a prime (16842029) 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 11 ways as a sum of consecutive naturals, for example, 6759 + ... + 8908.
Almost surely, 216842025 is an apocalyptic number.
It is an amenable number.
16842025 is a deficient number, since it is larger than the sum of its proper divisors (4529127).
16842025 is a wasteful number, since it uses less digits than its factorization.
16842025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15720 (or 15715 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 16842025 is about 4103.9036294728. The cubic root of 16842025 is about 256.3292120770.
Adding to 16842025 its reverse (52024861), we get a palindrome (68866886).
The spelling of 16842025 in words is "sixteen million, eight hundred forty-two thousand, twenty-five".
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