Base | Representation |
---|---|
bin | 100110101010… |
… | …0111011010001 |
3 | 1102010212022102 |
4 | 1031110323101 |
5 | 20142131201 |
6 | 2002250145 |
7 | 334204355 |
oct | 115247321 |
9 | 42125272 |
10 | 20270801 |
11 | 10495831 |
12 | 6956955 |
13 | 4279775 |
14 | 2999465 |
15 | 1ba626b |
hex | 1354ed1 |
20270801 has 8 divisors (see below), whose sum is σ = 20563200. Its totient is φ = 19980400.
The previous prime is 20270791. The next prime is 20270821. The reversal of 20270801 is 10807202.
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 20270801 - 218 = 20008657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20270821) 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, 42080 + ... + 42558.
It is an arithmetic number, because the mean of its divisors is an integer number (2570400).
Almost surely, 220270801 is an apocalyptic number.
It is an amenable number.
20270801 is a deficient number, since it is larger than the sum of its proper divisors (292399).
20270801 is a wasteful number, since it uses less digits than its factorization.
20270801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 999.
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 20270801 is about 4502.3106289993. The cubic root of 20270801 is about 272.6613851981.
The spelling of 20270801 in words is "twenty million, two hundred seventy thousand, eight hundred one".
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