Base | Representation |
---|---|
bin | 10110100011011… |
… | …100010001111001 |
3 | 222101000011222120 |
4 | 112203130101321 |
5 | 1233331432000 |
6 | 101314111453 |
7 | 12243154515 |
oct | 2643342171 |
9 | 871004876 |
10 | 378389625 |
11 | 1846557a9 |
12 | a687b589 |
13 | 605161b3 |
14 | 3837b145 |
15 | 233456a0 |
hex | 168dc479 |
378389625 has 32 divisors (see below), whose sum is σ = 633749376. Its totient is φ = 200491200.
The previous prime is 378389623. The next prime is 378389633. The reversal of 378389625 is 526983873.
It is not a de Polignac number, because 378389625 - 21 = 378389623 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (378389623) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55662 + ... + 62088.
It is an arithmetic number, because the mean of its divisors is an integer number (19804668).
Almost surely, 2378389625 is an apocalyptic number.
It is an amenable number.
378389625 is a deficient number, since it is larger than the sum of its proper divisors (255359751).
378389625 is a wasteful number, since it uses less digits than its factorization.
378389625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6602 (or 6592 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 51.
The square root of 378389625 is about 19452.2395882839. The cubic root of 378389625 is about 723.2910203162.
The spelling of 378389625 in words is "three hundred seventy-eight million, three hundred eighty-nine thousand, six hundred twenty-five".
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