Search a number
-
+
385201 = 1512551
BaseRepresentation
bin1011110000010110001
3201120101201
41132002301
544311301
612131201
73163015
oct1360261
9646351
10385201
11243453
12166b01
1310643b
14a0545
1579201
hex5e0b1

385201 has 4 divisors (see below), whose sum is σ = 387904. Its totient is φ = 382500.

The previous prime is 385199. The next prime is 385223. The reversal of 385201 is 102583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385201 - 21 = 385199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125 + ... + 1426.

It is an arithmetic number, because the mean of its divisors is an integer number (96976).

2385201 is an apocalyptic number.

It is an amenable number.

385201 is a deficient number, since it is larger than the sum of its proper divisors (2703).

385201 is a wasteful number, since it uses less digits than its factorization.

385201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 385201 is about 620.6456315805. The cubic root of 385201 is about 72.7605213032.

Adding to 385201 its reverse (102583), we get a palindrome (487784).

The spelling of 385201 in words is "three hundred eighty-five thousand, two hundred one".

Divisors: 1 151 2551 385201