Base | Representation |
---|---|
bin | 100100101010… |
… | …0011100011000 |
3 | 1100011111020001 |
4 | 1021110130120 |
5 | 14410021443 |
6 | 1523542344 |
7 | 322240465 |
oct | 111243430 |
9 | 40144201 |
10 | 19220248 |
11 | a938503 |
12 | 652a9b4 |
13 | 3c9c538 |
14 | 27a466c |
15 | 1a49d4d |
hex | 1254718 |
19220248 has 32 divisors (see below), whose sum is σ = 39168000. Its totient is φ = 8808480.
The previous prime is 19220239. The next prime is 19220273. The reversal of 19220248 is 84202291.
It is a congruent number.
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, 2673 + ... + 6751.
It is an arithmetic number, because the mean of its divisors is an integer number (1224000).
Almost surely, 219220248 is an apocalyptic number.
It is an amenable number.
19220248 is an abundant number, since it is smaller than the sum of its proper divisors (19947752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19220248 is a wasteful number, since it uses less digits than its factorization.
19220248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4135 (or 4131 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 19220248 is about 4384.0903275366. The cubic root of 19220248 is about 267.8672766740.
The spelling of 19220248 in words is "nineteen million, two hundred twenty thousand, two hundred forty-eight".
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