Base | Representation |
---|---|
bin | 10110101000010… |
… | …001011100100001 |
3 | 222110101112002012 |
4 | 112220101130201 |
5 | 1234142442334 |
6 | 101401202305 |
7 | 12260010500 |
oct | 2650213441 |
9 | 873345065 |
10 | 379655969 |
11 | 185340170 |
12 | a7190395 |
13 | 6086a704 |
14 | 385ca837 |
15 | 234e59ce |
hex | 16a11721 |
379655969 has 24 divisors (see below), whose sum is σ = 489027168. Its totient is φ = 291392640.
The previous prime is 379655813. The next prime is 379655971. The reversal of 379655969 is 969556973.
It is a de Polignac number, because none of the positive numbers 2k-379655969 is a prime.
It is a super-2 number, since 2×3796559692 = 288277309594657922, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (379655069) 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, 30857 + ... + 41369.
It is an arithmetic number, because the mean of its divisors is an integer number (20376132).
Almost surely, 2379655969 is an apocalyptic number.
It is an amenable number.
379655969 is a deficient number, since it is larger than the sum of its proper divisors (109371199).
379655969 is a wasteful number, since it uses less digits than its factorization.
379655969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10605 (or 10598 counting only the distinct ones).
The product of its digits is 13778100, while the sum is 59.
The square root of 379655969 is about 19484.7624825144. The cubic root of 379655969 is about 724.0969932272.
It can be divided in two parts, 37965 and 5969, that added together give a palindrome (43934).
The spelling of 379655969 in words is "three hundred seventy-nine million, six hundred fifty-five thousand, nine hundred sixty-nine".
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