Search a number
-
+
632275 = 5273613
BaseRepresentation
bin10011010010111010011
31012010022121
42122113103
5130213100
621315111
75242240
oct2322723
91163277
10632275
113a2046
12265a97
13191a37
141265c7
15c751a
hex9a5d3

632275 has 12 divisors (see below), whose sum is σ = 896272. Its totient is φ = 433440.

The previous prime is 632273. The next prime is 632297. The reversal of 632275 is 572236.

It is not a de Polignac number, because 632275 - 21 = 632273 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 65 + 39 + 2 + 219 + 74 + 57 .

It is a Duffinian number.

632275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (632273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1632 + ... + 1981.

2632275 is an apocalyptic number.

632275 is a deficient number, since it is larger than the sum of its proper divisors (263997).

632275 is a wasteful number, since it uses less digits than its factorization.

632275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3625 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 632275 is about 795.1572171590. The cubic root of 632275 is about 85.8292537938.

Subtracting from 632275 its sum of digits (25), we obtain a triangular number (632250 = T1124).

The spelling of 632275 in words is "six hundred thirty-two thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 175 3613 18065 25291 90325 126455 632275