Search a number
-
+
252942 = 2342157
BaseRepresentation
bin111101110000001110
3110211222020
4331300032
531043232
65231010
72102304
oct756016
9424866
10252942
11163048
12102466
138b191
1468274
154ee2c
hex3dc0e

252942 has 8 divisors (see below), whose sum is σ = 505896. Its totient is φ = 84312.

The previous prime is 252937. The next prime is 252949. The reversal of 252942 is 249252.

It is a sphenic number, since it is the product of 3 distinct primes.

252942 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 252942.

It is not an unprimeable number, because it can be changed into a prime (252949) 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, 21073 + ... + 21084.

It is an arithmetic number, because the mean of its divisors is an integer number (63237).

2252942 is an apocalyptic number.

252942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252942 is a wasteful number, since it uses less digits than its factorization.

252942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42162.

The product of its digits is 1440, while the sum is 24.

The square root of 252942 is about 502.9333951926. The cubic root of 252942 is about 63.2422019580.

The spelling of 252942 in words is "two hundred fifty-two thousand, nine hundred forty-two".

Divisors: 1 2 3 6 42157 84314 126471 252942