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252133504 = 277439641
BaseRepresentation
bin11110000011101…
…00000010000000
3122120102201010221
433001310002000
51004021233004
641004032424
76151046050
oct1701640200
9576381127
10252133504
1111a3606a7
1270532714
134030b82c
14256b3560
1517206354
hexf074080

252133504 has 64 divisors (see below), whose sum is σ = 576259200. Its totient is φ = 107642880.

The previous prime is 252133489. The next prime is 252133517. The reversal of 252133504 is 405331252.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393024 + ... + 393664.

It is an arithmetic number, because the mean of its divisors is an integer number (9004050).

Almost surely, 2252133504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252133504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288129600).

252133504 is an abundant number, since it is smaller than the sum of its proper divisors (324125696).

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

252133504 is an equidigital number, since it uses as much as digits as its factorization.

252133504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 252133504 is about 15878.7122903591. The cubic root of 252133504 is about 631.7474823056.

Adding to 252133504 its reverse (405331252), we get a palindrome (657464756).

The spelling of 252133504 in words is "two hundred fifty-two million, one hundred thirty-three thousand, five hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 439 448 641 878 896 1282 1756 2564 3073 3512 4487 5128 6146 7024 8974 10256 12292 14048 17948 20512 24584 28096 35896 41024 49168 56192 71792 82048 98336 143584 196672 281399 287168 393344 562798 574336 1125596 1969793 2251192 3939586 4502384 7879172 9004768 15758344 18009536 31516688 36019072 63033376 126066752 252133504