Base | Representation |
---|---|
bin | 10001001011100… |
… | …110000001111111 |
3 | 202002101201110011 |
4 | 101023212001333 |
5 | 1042243031111 |
6 | 44334124051 |
7 | 10100046634 |
oct | 2113460177 |
9 | 662351404 |
10 | 288252031 |
11 | 138790021 |
12 | 80650627 |
13 | 47946742 |
14 | 2a3d618b |
15 | 1a48d021 |
hex | 112e607f |
288252031 has 8 divisors (see below), whose sum is σ = 301117824. Its totient is φ = 275414040.
The previous prime is 288251969. The next prime is 288252047. The reversal of 288252031 is 130252882.
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 288252031 - 215 = 288219263 is a prime.
It is a super-2 number, since 2×2882520312 = 166178466751249922, 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 = 288251984 and 288252002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288252071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15880 + ... + 28786.
It is an arithmetic number, because the mean of its divisors is an integer number (37639728).
Almost surely, 2288252031 is an apocalyptic number.
288252031 is a deficient number, since it is larger than the sum of its proper divisors (12865793).
288252031 is a wasteful number, since it uses less digits than its factorization.
288252031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13901.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 288252031 is about 16977.9866592008. The cubic root of 288252031 is about 660.5780297310.
The spelling of 288252031 in words is "two hundred eighty-eight million, two hundred fifty-two thousand, thirty-one".
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