Base | Representation |
---|---|
bin | 100110100100… |
… | …1001111111010 |
3 | 1102001102200220 |
4 | 1031021033322 |
5 | 20134113340 |
6 | 2001240510 |
7 | 333615045 |
oct | 115111772 |
9 | 42042626 |
10 | 20222970 |
11 | 104628a9 |
12 | 6933136 |
13 | 4260a71 |
14 | 2985c5c |
15 | 1b96ed0 |
hex | 13493fa |
20222970 has 16 divisors (see below), whose sum is σ = 48535200. Its totient is φ = 5392784.
The previous prime is 20222953. The next prime is 20222987. The reversal of 20222970 is 7922202.
It is an interprime number because it is at equal distance from previous prime (20222953) and next prime (20222987).
It is a self number, because there is not a number n which added to its sum of digits gives 20222970.
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, 337020 + ... + 337079.
It is an arithmetic number, because the mean of its divisors is an integer number (3033450).
Almost surely, 220222970 is an apocalyptic number.
20222970 is an abundant number, since it is smaller than the sum of its proper divisors (28312230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20222970 is a wasteful number, since it uses less digits than its factorization.
20222970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 674109.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 20222970 is about 4496.9956637738. The cubic root of 20222970 is about 272.4467589501.
The spelling of 20222970 in words is "twenty million, two hundred twenty-two thousand, nine hundred seventy".
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