Base | Representation |
---|---|
bin | 111101111101… |
… | …010101101001 |
3 | 1010120011212111 |
4 | 331331111221 |
5 | 13124221100 |
6 | 1340042321 |
7 | 255024562 |
oct | 75752551 |
9 | 33504774 |
10 | 16242025 |
11 | 9193968 |
12 | 55333a1 |
13 | 3498a87 |
14 | 222b169 |
15 | 165c6ba |
hex | f7d569 |
16242025 has 24 divisors (see below), whose sum is σ = 21498624. Its totient is φ = 12144000.
The previous prime is 16242019. The next prime is 16242053. The reversal of 16242025 is 52024261.
It is not a de Polignac number, because 16242025 - 29 = 16241513 is a prime.
It is a super-2 number, since 2×162420252 = 527606752201250, 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 = 16241987 and 16242005.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26725 + ... + 27325.
It is an arithmetic number, because the mean of its divisors is an integer number (895776).
Almost surely, 216242025 is an apocalyptic number.
It is an amenable number.
16242025 is a deficient number, since it is larger than the sum of its proper divisors (5256599).
16242025 is a wasteful number, since it uses less digits than its factorization.
16242025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681 (or 676 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 16242025 is about 4030.1395757467. The cubic root of 16242025 is about 253.2484085530.
Adding to 16242025 its reverse (52024261), we get a palindrome (68266286).
The spelling of 16242025 in words is "sixteen million, two hundred forty-two thousand, twenty-five".
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