Base | Representation |
---|---|
bin | 100110010010… |
… | …0001000111101 |
3 | 1101202201012101 |
4 | 1030210020331 |
5 | 20114232343 |
6 | 1554105101 |
7 | 332412646 |
oct | 114441075 |
9 | 41681171 |
10 | 20070973 |
11 | 1036968a |
12 | 687b191 |
13 | 4209820 |
14 | 29466cd |
15 | 1b66e4d |
hex | 132423d |
20070973 has 16 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 16784064.
The previous prime is 20070971. The next prime is 20070979. The reversal of 20070973 is 37907002.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 20070973 - 21 = 20070971 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20070971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915 + ... + 7447.
It is an arithmetic number, because the mean of its divisors is an integer number (1484280).
Almost surely, 220070973 is an apocalyptic number.
20070973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
20070973 is a deficient number, since it is larger than the sum of its proper divisors (3677507).
20070973 is a wasteful number, since it uses less digits than its factorization.
20070973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3588.
The product of its (nonzero) digits is 2646, while the sum is 28.
The square root of 20070973 is about 4480.0639504364. The cubic root of 20070973 is about 271.7624665375.
Adding to 20070973 its reverse (37907002), we get a palindrome (57977975).
The spelling of 20070973 in words is "twenty million, seventy thousand, nine hundred seventy-three".
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