Base | Representation |
---|---|
bin | 10110100100011… |
… | …011110111000101 |
3 | 222101111102020001 |
4 | 112210123313011 |
5 | 1233413300203 |
6 | 101323441301 |
7 | 12245321005 |
oct | 2644336705 |
9 | 871442201 |
10 | 378650053 |
11 | 184813431 |
12 | a6986231 |
13 | 605a78b2 |
14 | 38408005 |
15 | 2339791d |
hex | 1691bdc5 |
378650053 has 8 divisors (see below), whose sum is σ = 382756248. Its totient is φ = 374563584.
The previous prime is 378650033. The next prime is 378650093. The reversal of 378650053 is 350056873.
It can be written as a sum of positive squares in 4 ways, for example, as 199572129 + 179077924 = 14127^2 + 13382^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 378650053 - 221 = 376552901 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 378649994 and 378650021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378650003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35425 + ... + 44857.
It is an arithmetic number, because the mean of its divisors is an integer number (47844531).
Almost surely, 2378650053 is an apocalyptic number.
It is an amenable number.
378650053 is a deficient number, since it is larger than the sum of its proper divisors (4106195).
378650053 is a wasteful number, since it uses less digits than its factorization.
378650053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9863.
The product of its (nonzero) digits is 75600, while the sum is 37.
The square root of 378650053 is about 19458.9324732885. The cubic root of 378650053 is about 723.4569181312.
The spelling of 378650053 in words is "three hundred seventy-eight million, six hundred fifty thousand, fifty-three".
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