Base | Representation |
---|---|
bin | 10110100011010… |
… | …000100001101101 |
3 | 222100220201221121 |
4 | 112203100201231 |
5 | 1233323411420 |
6 | 101313100541 |
7 | 12242564254 |
oct | 2643204155 |
9 | 870821847 |
10 | 378341485 |
11 | 184622615 |
12 | a6857751 |
13 | 604ca302 |
14 | 3836779b |
15 | 233362aa |
hex | 168d086d |
378341485 has 8 divisors (see below), whose sum is σ = 456635160. Its totient is φ = 300922944.
The previous prime is 378341461. The next prime is 378341489. The reversal of 378341485 is 584143873.
It can be written as a sum of positive squares in 4 ways, for example, as 54125449 + 324216036 = 7357^2 + 18006^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-378341485 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378341489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217830 + ... + 219559.
It is an arithmetic number, because the mean of its divisors is an integer number (57079395).
Almost surely, 2378341485 is an apocalyptic number.
It is an amenable number.
378341485 is a deficient number, since it is larger than the sum of its proper divisors (78293675).
378341485 is a wasteful number, since it uses less digits than its factorization.
378341485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437567.
The product of its digits is 322560, while the sum is 43.
The square root of 378341485 is about 19451.0021592719. The cubic root of 378341485 is about 723.2603458437.
The spelling of 378341485 in words is "three hundred seventy-eight million, three hundred forty-one thousand, four hundred eighty-five".
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