Search a number
-
+
378893 is a prime number
BaseRepresentation
bin1011100100000001101
3201020202002
41130200031
544111033
612042045
73135434
oct1344015
9636662
10378893
11239739
12163325
131035c8
149c11b
15773e8
hex5c80d

378893 has 2 divisors, whose sum is σ = 378894. Its totient is φ = 378892.

The previous prime is 378883. The next prime is 378901. The reversal of 378893 is 398873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310249 + 68644 = 557^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 378893 - 212 = 374797 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378893.

It is not a weakly prime, because it can be changed into another prime (378823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189446 + 189447.

It is an arithmetic number, because the mean of its divisors is an integer number (189447).

2378893 is an apocalyptic number.

It is an amenable number.

378893 is a deficient number, since it is larger than the sum of its proper divisors (1).

378893 is an equidigital number, since it uses as much as digits as its factorization.

378893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 378893 is about 615.5428498488. The cubic root of 378893 is about 72.3611611636.

The spelling of 378893 in words is "three hundred seventy-eight thousand, eight hundred ninety-three".