Search a number
-
+
384157 is a prime number
BaseRepresentation
bin1011101110010011101
3201111222001
41131302131
544243112
612122301
73156664
oct1356235
9644861
10384157
11242694
12166391
13105b17
149dddb
1578c57
hex5dc9d

384157 has 2 divisors, whose sum is σ = 384158. Its totient is φ = 384156.

The previous prime is 384151. The next prime is 384173. The reversal of 384157 is 751483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290521 + 93636 = 539^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 384157 - 27 = 384029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192078 + 192079.

It is an arithmetic number, because the mean of its divisors is an integer number (192079).

2384157 is an apocalyptic number.

It is an amenable number.

384157 is a deficient number, since it is larger than the sum of its proper divisors (1).

384157 is an equidigital number, since it uses as much as digits as its factorization.

384157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 384157 is about 619.8040012778. The cubic root of 384157 is about 72.6947281946.

The spelling of 384157 in words is "three hundred eighty-four thousand, one hundred fifty-seven".