Base | Representation |
---|---|
bin | 10110100101010… |
… | …101010100100101 |
3 | 222101221101002002 |
4 | 112211111110211 |
5 | 1233443313123 |
6 | 101332455045 |
7 | 12250321124 |
oct | 2645252445 |
9 | 871841062 |
10 | 378885413 |
11 | 184964245 |
12 | a6a7a485 |
13 | 6065aa6a |
14 | 38469abb |
15 | 233e2528 |
hex | 16955525 |
378885413 has 4 divisors (see below), whose sum is σ = 379353408. Its totient is φ = 378417420.
The previous prime is 378885389. The next prime is 378885421. The reversal of 378885413 is 314588873.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 378885413 - 26 = 378885349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378885713) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232781 + ... + 234402.
It is an arithmetic number, because the mean of its divisors is an integer number (94838352).
Almost surely, 2378885413 is an apocalyptic number.
It is an amenable number.
378885413 is a deficient number, since it is larger than the sum of its proper divisors (467995).
378885413 is an equidigital number, since it uses as much as digits as its factorization.
378885413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467994.
The product of its digits is 645120, while the sum is 47.
The square root of 378885413 is about 19464.9791420387. The cubic root of 378885413 is about 723.6067817074.
The spelling of 378885413 in words is "three hundred seventy-eight million, eight hundred eighty-five thousand, four hundred thirteen".
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