Base | Representation |
---|---|
bin | 10110100101111… |
… | …110111101100001 |
3 | 222102021001000222 |
4 | 112211332331201 |
5 | 1234014242334 |
6 | 101340252425 |
7 | 12251631305 |
oct | 2645767541 |
9 | 872231028 |
10 | 379055969 |
11 | 184a703a6 |
12 | a6b41115 |
13 | 606ba596 |
14 | 384b1d05 |
15 | 23427d2e |
hex | 1697ef61 |
379055969 has 2 divisors, whose sum is σ = 379055970. Its totient is φ = 379055968.
The previous prime is 379055959. The next prime is 379056019. The reversal of 379055969 is 969550973.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 378886225 + 169744 = 19465^2 + 412^2 .
It is an emirp because it is prime and its reverse (969550973) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-379055969 is a prime.
It is a super-2 number, since 2×3790559692 = 287366855269057922, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 379055969.
It is not a weakly prime, because it can be changed into another prime (379055959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189527984 + 189527985.
It is an arithmetic number, because the mean of its divisors is an integer number (189527985).
Almost surely, 2379055969 is an apocalyptic number.
It is an amenable number.
379055969 is a deficient number, since it is larger than the sum of its proper divisors (1).
379055969 is an equidigital number, since it uses as much as digits as its factorization.
379055969 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2296350, while the sum is 53.
The square root of 379055969 is about 19469.3597480759. The cubic root of 379055969 is about 723.7153430825.
The spelling of 379055969 in words is "three hundred seventy-nine million, fifty-five thousand, nine hundred sixty-nine".
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