Base | Representation |
---|---|
bin | 11001010101000… |
… | …01001000101100 |
3 | 112210210201021211 |
4 | 30222201020230 |
5 | 413343103424 |
6 | 33030004204 |
7 | 5156661646 |
oct | 1452411054 |
9 | 483721254 |
10 | 212472364 |
11 | a9a316a5 |
12 | 5b1a6664 |
13 | 350332c0 |
14 | 2030b896 |
15 | 139beb94 |
hex | caa122c |
212472364 has 48 divisors (see below), whose sum is σ = 426746880. Its totient is φ = 91748160.
The previous prime is 212472347. The next prime is 212472371. The reversal of 212472364 is 463274212.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80709 + ... + 83299.
It is an arithmetic number, because the mean of its divisors is an integer number (8890560).
Almost surely, 2212472364 is an apocalyptic number.
It is an amenable number.
212472364 is an abundant number, since it is smaller than the sum of its proper divisors (214274516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212472364 is a wasteful number, since it uses less digits than its factorization.
212472364 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).
The product of its digits is 16128, while the sum is 31.
The square root of 212472364 is about 14576.4317993122. The cubic root of 212472364 is about 596.7157257429.
The spelling of 212472364 in words is "two hundred twelve million, four hundred seventy-two thousand, three hundred sixty-four".
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