Base | Representation |
---|---|
bin | 11001011000011… |
… | …11001001111001 |
3 | 112211122121110002 |
4 | 30230033021321 |
5 | 414002014001 |
6 | 33043402345 |
7 | 5163546524 |
oct | 1454171171 |
9 | 484577402 |
10 | 212923001 |
11 | aa20a225 |
12 | 5b3833b5 |
13 | 35160455 |
14 | 203c7bbb |
15 | 13a5d46b |
hex | cb0f279 |
212923001 has 8 divisors (see below), whose sum is σ = 216801600. Its totient is φ = 209057040.
The previous prime is 212922991. The next prime is 212923013. The reversal of 212923001 is 100329212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212923001 - 222 = 208728697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212929001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34940 + ... + 40578.
It is an arithmetic number, because the mean of its divisors is an integer number (27100200).
Almost surely, 2212923001 is an apocalyptic number.
It is an amenable number.
212923001 is a deficient number, since it is larger than the sum of its proper divisors (3878599).
212923001 is an equidigital number, since it uses as much as digits as its factorization.
212923001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6319.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 212923001 is about 14591.8813386074. The cubic root of 212923001 is about 597.1372900606.
The spelling of 212923001 in words is "two hundred twelve million, nine hundred twenty-three thousand, one".
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