Base | Representation |
---|---|
bin | 1000010001110… |
… | …0110001010110 |
3 | 2102100000001120 |
4 | 2010130301112 |
5 | 32342031404 |
6 | 3240104410 |
7 | 601056660 |
oct | 204346126 |
9 | 72300046 |
10 | 34720854 |
11 | 18665323 |
12 | b765106 |
13 | 72689ac |
14 | 487b530 |
15 | 30ac9d9 |
hex | 211cc56 |
34720854 has 32 divisors (see below), whose sum is σ = 79591680. Its totient is φ = 9891552.
The previous prime is 34720853. The next prime is 34720879. The reversal of 34720854 is 45802743.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34720853) by changing a digit.
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, 16612 + ... + 18584.
It is an arithmetic number, because the mean of its divisors is an integer number (2487240).
Almost surely, 234720854 is an apocalyptic number.
34720854 is an abundant number, since it is smaller than the sum of its proper divisors (44870826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34720854 is a wasteful number, since it uses less digits than its factorization.
34720854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2404.
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 34720854 is about 5892.4404112388. The cubic root of 34720854 is about 326.2346849140.
The spelling of 34720854 in words is "thirty-four million, seven hundred twenty thousand, eight hundred fifty-four".
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