Base | Representation |
---|---|
bin | 10010101000010… |
… | …000001110010110 |
3 | 210210002210011102 |
4 | 102220100032112 |
5 | 1120002321402 |
6 | 51002510102 |
7 | 10513364315 |
oct | 2250201626 |
9 | 723083142 |
10 | 312542102 |
11 | 150470564 |
12 | 88805332 |
13 | 4c99c772 |
14 | 2d71a27c |
15 | 1c68a102 |
hex | 12a10396 |
312542102 has 8 divisors (see below), whose sum is σ = 471960000. Its totient is φ = 155222104.
The previous prime is 312542053. The next prime is 312542117. The reversal of 312542102 is 201245213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 524102 + ... + 524697.
It is an arithmetic number, because the mean of its divisors is an integer number (58995000).
Almost surely, 2312542102 is an apocalyptic number.
312542102 is a deficient number, since it is larger than the sum of its proper divisors (159417898).
312542102 is a wasteful number, since it uses less digits than its factorization.
312542102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1048950.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 312542102 is about 17678.8603139456. The cubic root of 312542102 is about 678.6348780897.
Adding to 312542102 its reverse (201245213), we get a palindrome (513787315).
The spelling of 312542102 in words is "three hundred twelve million, five hundred forty-two thousand, one hundred two".
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