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252884132 = 2263221033
BaseRepresentation
bin11110001001010…
…11010010100100
3122121211211210222
433010223102210
51004214243012
641032103512
76160323344
oct1704532244
9577754728
10252884132
1111a823656
1270834b98
13405123a7
142582ad24
1517303972
hexf12b4a4

252884132 has 6 divisors (see below), whose sum is σ = 442547238. Its totient is φ = 126442064.

The previous prime is 252884123. The next prime is 252884153. The reversal of 252884132 is 231488252.

It can be written as a sum of positive squares in only one way, i.e., 247621696 + 5262436 = 15736^2 + 2294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252884092 and 252884101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31610513 + ... + 31610520.

It is an arithmetic number, because the mean of its divisors is an integer number (73757873).

Almost surely, 2252884132 is an apocalyptic number.

It is an amenable number.

252884132 is a deficient number, since it is larger than the sum of its proper divisors (189663106).

252884132 is a wasteful number, since it uses less digits than its factorization.

252884132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63221037 (or 63221035 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 252884132 is about 15902.3310240983. The cubic root of 252884132 is about 632.3737874575.

The spelling of 252884132 in words is "two hundred fifty-two million, eight hundred eighty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 63221033 126442066 252884132