Base | Representation |
---|---|
bin | 11001010011111… |
… | …01001111001000 |
3 | 112210112020120202 |
4 | 30221331033020 |
5 | 413323402240 |
6 | 33022511332 |
7 | 5155510154 |
oct | 1451751710 |
9 | 483466522 |
10 | 212325320 |
11 | a9941179 |
12 | 5b135548 |
13 | 34cb13ac |
14 | 202b0064 |
15 | 13991315 |
hex | ca7d3c8 |
212325320 has 32 divisors (see below), whose sum is σ = 487900800. Its totient is φ = 83122368.
The previous prime is 212325319. The next prime is 212325349. The reversal of 212325320 is 23523212.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 212325292 and 212325301.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54590 + ... + 58349.
It is an arithmetic number, because the mean of its divisors is an integer number (15246900).
Almost surely, 2212325320 is an apocalyptic number.
212325320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212325320 is an abundant number, since it is smaller than the sum of its proper divisors (275575480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212325320 is a wasteful number, since it uses less digits than its factorization.
212325320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112997 (or 112993 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 212325320 is about 14571.3870307531. The cubic root of 212325320 is about 596.5780392620.
Adding to 212325320 its reverse (23523212), we get a palindrome (235848532).
The spelling of 212325320 in words is "two hundred twelve million, three hundred twenty-five thousand, three hundred twenty".
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