Base | Representation |
---|---|
bin | 100111010010… |
… | …1110101010011 |
3 | 1102202200220021 |
4 | 1032211311103 |
5 | 20233232240 |
6 | 2013324311 |
7 | 340054465 |
oct | 116456523 |
9 | 42680807 |
10 | 20602195 |
11 | 106a1809 |
12 | 6a96697 |
13 | 4364563 |
14 | 2a44135 |
15 | 1c1e54a |
hex | 13a5d53 |
20602195 has 8 divisors (see below), whose sum is σ = 24804000. Its totient is φ = 16427520.
The previous prime is 20602189. The next prime is 20602207. The reversal of 20602195 is 59120602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20602195 - 223 = 12213587 is a prime.
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, 5070 + ... + 8179.
It is an arithmetic number, because the mean of its divisors is an integer number (3100500).
Almost surely, 220602195 is an apocalyptic number.
20602195 is a deficient number, since it is larger than the sum of its proper divisors (4201805).
20602195 is a wasteful number, since it uses less digits than its factorization.
20602195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13565.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 20602195 is about 4538.9640888643. The cubic root of 20602195 is about 274.1392147793.
Adding to 20602195 its reverse (59120602), we get a palindrome (79722797).
It can be divided in two parts, 206021 and 95, that added together give a square (206116 = 4542).
The spelling of 20602195 in words is "twenty million, six hundred two thousand, one hundred ninety-five".
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