Base | Representation |
---|---|
bin | 10110111100010… |
… | …00111101110100 |
3 | 111102010111100100 |
4 | 23132020331310 |
5 | 343231403140 |
6 | 31032514100 |
7 | 4524541641 |
oct | 1336107564 |
9 | 442114310 |
10 | 192450420 |
11 | 996a6938 |
12 | 5454b930 |
13 | 30b42bb6 |
14 | 1b7b8dc8 |
15 | 11d67530 |
hex | b788f74 |
192450420 has 72 divisors (see below), whose sum is σ = 594810216. Its totient is φ = 50349312.
The previous prime is 192450371. The next prime is 192450439. The reversal of 192450420 is 24054291.
192450420 is a `hidden beast` number, since 192 + 4 + 50 + 420 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 100520676 + 91929744 = 10026^2 + 9588^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547 + ... + 19626.
It is an arithmetic number, because the mean of its divisors is an integer number (8261253).
Almost surely, 2192450420 is an apocalyptic number.
192450420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 192450420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297405108).
192450420 is an abundant number, since it is smaller than the sum of its proper divisors (402359796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
192450420 is a wasteful number, since it uses less digits than its factorization.
192450420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20241 (or 20236 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 192450420 is about 13872.6500712733. The cubic root of 192450420 is about 577.3505994596.
The spelling of 192450420 in words is "one hundred ninety-two million, four hundred fifty thousand, four hundred twenty".
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