Base | Representation |
---|---|
bin | 10110100010011… |
… | …110111001000000 |
3 | 222100112102001122 |
4 | 112202132321000 |
5 | 1233300410201 |
6 | 101304451412 |
7 | 12241056443 |
oct | 2642367100 |
9 | 870472048 |
10 | 378138176 |
11 | 1844a3899 |
12 | a6779b68 |
13 | 60458900 |
14 | 3831365a |
15 | 232e5e1b |
hex | 1689ee40 |
378138176 has 42 divisors (see below), whose sum is σ = 812551842. Its totient is φ = 174520320.
The previous prime is 378138143. The next prime is 378138179. The reversal of 378138176 is 671831873.
It can be written as a sum of positive squares in 3 ways, for example, as 846400 + 377291776 = 920^2 + 19424^2 .
It is not an unprimeable number, because it can be changed into a prime (378138179) 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 5 ways as a sum of consecutive naturals, for example, 6665 + ... + 28296.
Almost surely, 2378138176 is an apocalyptic number.
It is an amenable number.
378138176 is an abundant number, since it is smaller than the sum of its proper divisors (434413666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378138176 is a wasteful number, since it uses less digits than its factorization.
378138176 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34999 (or 34976 counting only the distinct ones).
The product of its digits is 169344, while the sum is 44.
The square root of 378138176 is about 19445.7752738223. The cubic root of 378138176 is about 723.1307700587.
The spelling of 378138176 in words is "three hundred seventy-eight million, one hundred thirty-eight thousand, one hundred seventy-six".
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