Base | Representation |
---|---|
bin | 10010101000000… |
… | …010010011101001 |
3 | 210202222212222010 |
4 | 102220002103221 |
5 | 1114444010342 |
6 | 51001350133 |
7 | 10513036161 |
oct | 2250022351 |
9 | 722885863 |
10 | 312485097 |
11 | 150431751 |
12 | 88798349 |
13 | 4c97c832 |
14 | 2d7035a1 |
15 | 1c67829c |
hex | 12a024e9 |
312485097 has 8 divisors (see below), whose sum is σ = 418949440. Its totient is φ = 207172080.
The previous prime is 312485087. The next prime is 312485099. The reversal of 312485097 is 790584213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312485097 - 28 = 312484841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312485099) 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, 287197 + ... + 288282.
It is an arithmetic number, because the mean of its divisors is an integer number (52368680).
Almost surely, 2312485097 is an apocalyptic number.
It is an amenable number.
312485097 is a deficient number, since it is larger than the sum of its proper divisors (106464343).
312485097 is a wasteful number, since it uses less digits than its factorization.
312485097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 575663.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 312485097 is about 17677.2480041436. The cubic root of 312485097 is about 678.5936165197.
The spelling of 312485097 in words is "three hundred twelve million, four hundred eighty-five thousand, ninety-seven".
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