Base | Representation |
---|---|
bin | 100110010010… |
… | …0110000001101 |
3 | 1101202211122102 |
4 | 1030210300031 |
5 | 20114322420 |
6 | 1554124445 |
7 | 332423165 |
oct | 114446015 |
9 | 41684572 |
10 | 20073485 |
11 | 10370563 |
12 | 6880725 |
13 | 420aa03 |
14 | 29475a5 |
15 | 1b67a75 |
hex | 1324c0d |
20073485 has 16 divisors (see below), whose sum is σ = 24727680. Its totient is φ = 15637440.
The previous prime is 20073463. The next prime is 20073509. The reversal of 20073485 is 58437002.
It is a happy number.
It is not a de Polignac number, because 20073485 - 212 = 20069389 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55736 + ... + 56094.
It is an arithmetic number, because the mean of its divisors is an integer number (1545480).
Almost surely, 220073485 is an apocalyptic number.
It is an amenable number.
20073485 is a deficient number, since it is larger than the sum of its proper divisors (4654195).
20073485 is a wasteful number, since it uses less digits than its factorization.
20073485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 20073485 is about 4480.3442948059. The cubic root of 20073485 is about 271.7738036201.
The spelling of 20073485 in words is "twenty million, seventy-three thousand, four hundred eighty-five".
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