Base | Representation |
---|---|
bin | 10110100111010… |
… | …001101010100001 |
3 | 222102220020201100 |
4 | 112213101222201 |
5 | 1234111112341 |
6 | 101351425013 |
7 | 12254542026 |
oct | 2647215241 |
9 | 872806640 |
10 | 379394721 |
11 | 185181962 |
12 | a7085169 |
13 | 607a8824 |
14 | 3855d54d |
15 | 234933b6 |
hex | 169d1aa1 |
379394721 has 24 divisors (see below), whose sum is σ = 558623520. Its totient is φ = 248054400.
The previous prime is 379394713. The next prime is 379394731. The reversal of 379394721 is 127493973.
It is not a de Polignac number, because 379394721 - 23 = 379394713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (379394731) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430201 + ... + 431081.
It is an arithmetic number, because the mean of its divisors is an integer number (23275980).
Almost surely, 2379394721 is an apocalyptic number.
It is an amenable number.
379394721 is a deficient number, since it is larger than the sum of its proper divisors (179228799).
379394721 is a wasteful number, since it uses less digits than its factorization.
379394721 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1757 (or 1754 counting only the distinct ones).
The product of its digits is 285768, while the sum is 45.
The square root of 379394721 is about 19478.0574236755. The cubic root of 379394721 is about 723.9308671258.
The spelling of 379394721 in words is "three hundred seventy-nine million, three hundred ninety-four thousand, seven hundred twenty-one".
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