Base | Representation |
---|---|
bin | 10010100111000… |
… | …010101000110110 |
3 | 210202111122020100 |
4 | 102213002220312 |
5 | 1114412134220 |
6 | 50552014530 |
7 | 10510601646 |
oct | 2247025066 |
9 | 722448210 |
10 | 312224310 |
11 | 150273822 |
12 | 88691446 |
13 | 4c8bac18 |
14 | 2d676526 |
15 | 1c625d90 |
hex | 129c2a36 |
312224310 has 48 divisors (see below), whose sum is σ = 847083744. Its totient is φ = 79639296.
The previous prime is 312224309. The next prime is 312224323. The reversal of 312224310 is 13422213.
312224310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×3122243102 = 194968039509952200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73347 + ... + 77486.
It is an arithmetic number, because the mean of its divisors is an integer number (17647578).
Almost surely, 2312224310 is an apocalyptic number.
312224310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
312224310 is an abundant number, since it is smaller than the sum of its proper divisors (534859434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312224310 is a wasteful number, since it uses less digits than its factorization.
312224310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150869 (or 150866 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 312224310 is about 17669.8701183682. The cubic root of 312224310 is about 678.4047886917.
Adding to 312224310 its reverse (13422213), we get a palindrome (325646523).
The spelling of 312224310 in words is "three hundred twelve million, two hundred twenty-four thousand, three hundred ten".
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