Base | Representation |
---|---|
bin | 10010101010000… |
… | …100111100111110 |
3 | 210211000002000120 |
4 | 102222010330332 |
5 | 1120113121342 |
6 | 51021035410 |
7 | 10520425254 |
oct | 2252047476 |
9 | 724002016 |
10 | 313020222 |
11 | 1507677a9 |
12 | 889b5b66 |
13 | 4cb09288 |
14 | 2d8025d4 |
15 | 1c731aec |
hex | 12a84f3e |
313020222 has 32 divisors (see below), whose sum is σ = 644056224. Its totient is φ = 101347200.
The previous prime is 313020217. The next prime is 313020241. The reversal of 313020222 is 222020313.
It is a super-4 number, since 4×3130202224 (a number of 35 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225972 + ... + 227352.
It is an arithmetic number, because the mean of its divisors is an integer number (20126757).
Almost surely, 2313020222 is an apocalyptic number.
313020222 is an abundant number, since it is smaller than the sum of its proper divisors (331036002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313020222 is a wasteful number, since it uses less digits than its factorization.
313020222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2444.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 313020222 is about 17692.3775112335. The cubic root of 313020222 is about 678.9807553237.
Adding to 313020222 its reverse (222020313), we get a palindrome (535040535).
Subtracting from 313020222 its reverse (222020313), we obtain a palindrome (90999909).
The spelling of 313020222 in words is "three hundred thirteen million, twenty thousand, two hundred twenty-two".
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