Base | Representation |
---|---|
bin | 10110100010001… |
… | …111001011110001 |
3 | 222100102010210212 |
4 | 112202033023301 |
5 | 1233241330331 |
6 | 101303233505 |
7 | 12240401045 |
oct | 2642171361 |
9 | 870363725 |
10 | 378073841 |
11 | 18445a522 |
12 | a6748895 |
13 | 60435542 |
14 | 382d8025 |
15 | 232d1d2b |
hex | 1688f2f1 |
378073841 has 8 divisors (see below), whose sum is σ = 391348200. Its totient is φ = 364815360.
The previous prime is 378073777. The next prime is 378073847. The reversal of 378073841 is 148370873.
It can be written as a sum of positive squares in 4 ways, for example, as 35046400 + 343027441 = 5920^2 + 18521^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 378073841 - 26 = 378073777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (378073847) 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, 65105 + ... + 70673.
It is an arithmetic number, because the mean of its divisors is an integer number (48918525).
Almost surely, 2378073841 is an apocalyptic number.
It is an amenable number.
378073841 is a deficient number, since it is larger than the sum of its proper divisors (13274359).
378073841 is a wasteful number, since it uses less digits than its factorization.
378073841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7939.
The product of its (nonzero) digits is 112896, while the sum is 41.
The square root of 378073841 is about 19444.1209881033. The cubic root of 378073841 is about 723.0897574874.
The spelling of 378073841 in words is "three hundred seventy-eight million, seventy-three thousand, eight hundred forty-one".
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