Search a number
-
+
388275 = 35231167
BaseRepresentation
bin1011110110010110011
3201201121120
41132302303
544411100
612153323
73204666
oct1366263
9651546
10388275
11245798
12168843
13107964
14a16dd
157a0a0
hex5ecb3

388275 has 24 divisors (see below), whose sum is σ = 666624. Its totient is φ = 199200.

The previous prime is 388273. The next prime is 388277. The reversal of 388275 is 572883.

It is an interprime number because it is at equal distance from previous prime (388273) and next prime (388277).

It is not a de Polignac number, because 388275 - 21 = 388273 is a prime.

388275 is a lucky number.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (388273) 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, 2242 + ... + 2408.

It is an arithmetic number, because the mean of its divisors is an integer number (27776).

2388275 is an apocalyptic number.

388275 is a deficient number, since it is larger than the sum of its proper divisors (278349).

388275 is a wasteful number, since it uses less digits than its factorization.

388275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 206 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 388275 is about 623.1171639427. The cubic root of 388275 is about 72.9535577496.

The spelling of 388275 in words is "three hundred eighty-eight thousand, two hundred seventy-five".

Divisors: 1 3 5 15 25 31 75 93 155 167 465 501 775 835 2325 2505 4175 5177 12525 15531 25885 77655 129425 388275