Base | Representation |
---|---|
bin | 10110100110010… |
… | …000010000000101 |
3 | 222102101122011221 |
4 | 112212100100011 |
5 | 1234024024124 |
6 | 101342000341 |
7 | 12252344626 |
oct | 2646202005 |
9 | 872348157 |
10 | 379126789 |
11 | 185009628 |
12 | a6b760b1 |
13 | 607138a2 |
14 | 384cda4d |
15 | 2343dce4 |
hex | 16990405 |
379126789 has 4 divisors (see below), whose sum is σ = 379440556. Its totient is φ = 378813024.
The previous prime is 379126777. The next prime is 379126793. The reversal of 379126789 is 987621973.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 195524289 + 183602500 = 13983^2 + 13550^2 .
It is a cyclic number.
It is not a de Polignac number, because 379126789 - 27 = 379126661 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 (379126729) 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, 155064 + ... + 157489.
It is an arithmetic number, because the mean of its divisors is an integer number (94860139).
Almost surely, 2379126789 is an apocalyptic number.
It is an amenable number.
379126789 is a deficient number, since it is larger than the sum of its proper divisors (313767).
379126789 is a wasteful number, since it uses less digits than its factorization.
379126789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313766.
The product of its digits is 1143072, while the sum is 52.
The square root of 379126789 is about 19471.1784183701. The cubic root of 379126789 is about 723.7604114745.
The spelling of 379126789 in words is "three hundred seventy-nine million, one hundred twenty-six thousand, seven hundred eighty-nine".
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