Base | Representation |
---|---|
bin | 100111010010… |
… | …1100000101111 |
3 | 1102202122002112 |
4 | 1032211200233 |
5 | 20233212004 |
6 | 2013314235 |
7 | 340050605 |
oct | 116454057 |
9 | 42678075 |
10 | 20600879 |
11 | 106a0822 |
12 | 6a9597b |
13 | 4363a90 |
14 | 2a43875 |
15 | 1c1de6e |
hex | 13a582f |
20600879 has 8 divisors (see below), whose sum is σ = 22260000. Its totient is φ = 18952416.
The previous prime is 20600873. The next prime is 20600903. The reversal of 20600879 is 97800602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20600879 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 (20600873) 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, 1622 + ... + 6620.
It is an arithmetic number, because the mean of its divisors is an integer number (2782500).
Almost surely, 220600879 is an apocalyptic number.
20600879 is a deficient number, since it is larger than the sum of its proper divisors (1659121).
20600879 is a wasteful number, since it uses less digits than its factorization.
20600879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5329.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 20600879 is about 4538.8191195508. The cubic root of 20600879 is about 274.1333776199.
The spelling of 20600879 in words is "twenty million, six hundred thousand, eight hundred seventy-nine".
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