Base | Representation |
---|---|
bin | 11001011011111… |
… | …00011101110110 |
3 | 112212111100122002 |
4 | 30231330131312 |
5 | 414110330432 |
6 | 33101135302 |
7 | 5200423064 |
oct | 1455743566 |
9 | 485440562 |
10 | 213370742 |
11 | aa495662 |
12 | 5b55a532 |
13 | 352891a0 |
14 | 204a3034 |
15 | 13aeae62 |
hex | cb7c776 |
213370742 has 16 divisors (see below), whose sum is σ = 344918112. Its totient is φ = 98409600.
The previous prime is 213370697. The next prime is 213370753. The reversal of 213370742 is 247073312.
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, 64718 + ... + 67934.
It is an arithmetic number, because the mean of its divisors is an integer number (21557382).
Almost surely, 2213370742 is an apocalyptic number.
213370742 is a deficient number, since it is larger than the sum of its proper divisors (131547370).
213370742 is a wasteful number, since it uses less digits than its factorization.
213370742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5783.
The product of its (nonzero) digits is 7056, while the sum is 29.
The square root of 213370742 is about 14607.2154088313. The cubic root of 213370742 is about 597.5555565365. Note that the first 5 decimals are identical.
The spelling of 213370742 in words is "two hundred thirteen million, three hundred seventy thousand, seven hundred forty-two".
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