Search a number
-
+
252822 = 23291453
BaseRepresentation
bin111101101110010110
3110211210210
4331232112
531042242
65230250
72102043
oct755626
9424723
10252822
11162a49
12102386
138b0cb
14681ca
154ed9c
hex3db96

252822 has 16 divisors (see below), whose sum is σ = 523440. Its totient is φ = 81312.

The previous prime is 252817. The next prime is 252823. The reversal of 252822 is 228252.

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 252822.

It is not an unprimeable number, because it can be changed into a prime (252823) by changing a digit.

252822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (32715).

2252822 is an apocalyptic number.

252822 is an abundant number, since it is smaller than the sum of its proper divisors (270618).

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

252822 is a wasteful number, since it uses less digits than its factorization.

252822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its digits is 640, while the sum is 21.

The square root of 252822 is about 502.8140809484. The cubic root of 252822 is about 63.2321993162.

The spelling of 252822 in words is "two hundred fifty-two thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 1453 2906 4359 8718 42137 84274 126411 252822