Base | Representation |
---|---|
bin | 100111001111… |
… | …0111000000101 |
3 | 1102201020210221 |
4 | 1032132320011 |
5 | 20231324301 |
6 | 2012544341 |
7 | 336605431 |
oct | 116367005 |
9 | 42636727 |
10 | 20573701 |
11 | 10682365 |
12 | 6a820b1 |
13 | 43545b5 |
14 | 2a379c1 |
15 | 1c15da1 |
hex | 139ee05 |
20573701 has 8 divisors (see below), whose sum is σ = 20839104. Its totient is φ = 20310240.
The previous prime is 20573687. The next prime is 20573711. The reversal of 20573701 is 10737502.
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 20573701 - 25 = 20573669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20573711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35746 + ... + 36316.
It is an arithmetic number, because the mean of its divisors is an integer number (2604888).
Almost surely, 220573701 is an apocalyptic number.
20573701 is the 2425-th centered heptagonal number.
It is an amenable number.
20573701 is a deficient number, since it is larger than the sum of its proper divisors (265403).
20573701 is a wasteful number, since it uses less digits than its factorization.
20573701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971.
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 20573701 is about 4535.8241808959. The cubic root of 20573701 is about 274.0127731272.
The spelling of 20573701 in words is "twenty million, five hundred seventy-three thousand, seven hundred one".
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