Search a number
-
+
2160252 = 2232232609
BaseRepresentation
bin1000001111011001111100
311001202022100
420033121330
51023112002
6114145100
724235053
oct10173174
94052270
102160252
111246036
12882190
135a8373
1440339a
152ca11c
hex20f67c

2160252 has 36 divisors (see below), whose sum is σ = 5700240. Its totient is φ = 688512.

The previous prime is 2160247. The next prime is 2160253. The reversal of 2160252 is 2520612.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (158340).

22160252 is an apocalyptic number.

It is an amenable number.

2160252 is an abundant number, since it is smaller than the sum of its proper divisors (3539988).

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

2160252 is a wasteful number, since it uses less digits than its factorization.

2160252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2160252 is about 1469.7795753105. The cubic root of 2160252 is about 129.2711082207.

Adding to 2160252 its reverse (2520612), we get a palindrome (4680864).

The spelling of 2160252 in words is "two million, one hundred sixty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 2609 5218 7827 10436 15654 23481 31308 46962 60007 93924 120014 180021 240028 360042 540063 720084 1080126 2160252