Base | Representation |
---|---|
bin | 11001011010111… |
… | …10001011111000 |
3 | 112212021001111101 |
4 | 30231132023320 |
5 | 414042343322 |
6 | 33054341144 |
7 | 5166365350 |
oct | 1455361370 |
9 | 485231441 |
10 | 213246712 |
11 | aa410458 |
12 | 5b4ba7b4 |
13 | 352448b3 |
14 | 2046db60 |
15 | 13ac4327 |
hex | cb5e2f8 |
213246712 has 32 divisors (see below), whose sum is σ = 458726400. Its totient is φ = 91037664.
The previous prime is 213246697. The next prime is 213246721. The reversal of 213246712 is 217642312.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
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, 7489 + ... + 21967.
It is an arithmetic number, because the mean of its divisors is an integer number (14335200).
Almost surely, 2213246712 is an apocalyptic number.
It is an amenable number.
213246712 is an abundant number, since it is smaller than the sum of its proper divisors (245479688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213246712 is a wasteful number, since it uses less digits than its factorization.
213246712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14755 (or 14751 counting only the distinct ones).
The product of its digits is 4032, while the sum is 28.
The square root of 213246712 is about 14602.9692871005. The cubic root of 213246712 is about 597.4397499982.
The spelling of 213246712 in words is "two hundred thirteen million, two hundred forty-six thousand, seven hundred twelve".
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