Base | Representation |
---|---|
bin | 10010101001000… |
… | …001001010011010 |
3 | 210210110222010120 |
4 | 102221001022122 |
5 | 1120030230204 |
6 | 51011054110 |
7 | 10515160605 |
oct | 2251011232 |
9 | 723428116 |
10 | 312742554 |
11 | 150598123 |
12 | 888a1336 |
13 | 4ca3ca87 |
14 | 2d76d33c |
15 | 1c6c96d9 |
hex | 12a4129a |
312742554 has 16 divisors (see below), whose sum is σ = 647053920. Its totient is φ = 100652720.
The previous prime is 312742553. The next prime is 312742571. The reversal of 312742554 is 455247213.
312742554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (312742553) 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, 898512 + ... + 898859.
It is an arithmetic number, because the mean of its divisors is an integer number (40440870).
Almost surely, 2312742554 is an apocalyptic number.
312742554 is an abundant number, since it is smaller than the sum of its proper divisors (334311366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312742554 is a wasteful number, since it uses less digits than its factorization.
312742554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1797405.
The product of its digits is 33600, while the sum is 33.
The square root of 312742554 is about 17684.5286620820. The cubic root of 312742554 is about 678.7799301705.
Adding to 312742554 its reverse (455247213), we get a palindrome (767989767).
The spelling of 312742554 in words is "three hundred twelve million, seven hundred forty-two thousand, five hundred fifty-four".
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