Base | Representation |
---|---|
bin | 11010100010010… |
… | …110001010110000 |
3 | 1011000202002002212 |
4 | 122202112022300 |
5 | 1402433230222 |
6 | 112102231252 |
7 | 14014143110 |
oct | 3242261260 |
9 | 1130662085 |
10 | 445211312 |
11 | 209345937 |
12 | 105125528 |
13 | 71311160 |
14 | 431b3040 |
15 | 291446e2 |
hex | 1a8962b0 |
445211312 has 80 divisors (see below), whose sum is σ = 1068598272. Its totient is φ = 174977280.
The previous prime is 445211267. The next prime is 445211321. The reversal of 445211312 is 213112544.
It is a super-2 number, since 2×4452113122 = 396426224665522688, which contains 22 as substring.
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, 242237 + ... + 244067.
Almost surely, 2445211312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 445211312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534299136).
445211312 is an abundant number, since it is smaller than the sum of its proper divisors (623386960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445211312 is a wasteful number, since it uses less digits than its factorization.
445211312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2026 (or 2020 counting only the distinct ones).
The product of its digits is 960, while the sum is 23.
The square root of 445211312 is about 21100.0310900245. The cubic root of 445211312 is about 763.5814982708.
Adding to 445211312 its reverse (213112544), we get a palindrome (658323856).
The spelling of 445211312 in words is "four hundred forty-five million, two hundred eleven thousand, three hundred twelve".
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