Search a number
-
+
2179252 = 22544813
BaseRepresentation
bin1000010100000010110100
311002201101001
420110002310
51024214002
6114413044
724344335
oct10240264
94081331
102179252
111259339
12891184
135b3bca
1440a28c
152d0a87
hex2140b4

2179252 has 6 divisors (see below), whose sum is σ = 3813698. Its totient is φ = 1089624.

The previous prime is 2179241. The next prime is 2179253. The reversal of 2179252 is 2529712.

It can be written as a sum of positive squares in only one way, i.e., 2178576 + 676 = 1476^2 + 26^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2179252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272403 + ... + 272410.

22179252 is an apocalyptic number.

It is an amenable number.

2179252 is a deficient number, since it is larger than the sum of its proper divisors (1634446).

2179252 is a wasteful number, since it uses less digits than its factorization.

2179252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544817 (or 544815 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2179252 is about 1476.2289795286. The cubic root of 2179252 is about 129.6489939487.

The spelling of 2179252 in words is "two million, one hundred seventy-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 544813 1089626 2179252