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252287075 = 5217956377
BaseRepresentation
bin11110000100110…
…01100001100011
3122120201111210202
433002121201203
51004041141300
641011215415
76152255555
oct1702314143
9576644722
10252287075
1111a456017
12705a756b
13403636c1
14257134d5
1517236ad5
hexf099863

252287075 has 12 divisors (see below), whose sum is σ = 314589240. Its totient is φ = 200698560.

The previous prime is 252287071. The next prime is 252287099. The reversal of 252287075 is 570782252.

It is not a de Polignac number, because 252287075 - 22 = 252287071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252287071) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 23714 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (26215770).

Almost surely, 2252287075 is an apocalyptic number.

252287075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252287075 is a deficient number, since it is larger than the sum of its proper divisors (62302165).

252287075 is a wasteful number, since it uses less digits than its factorization.

252287075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56566 (or 56561 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 252287075 is about 15883.5473053094. The cubic root of 252287075 is about 631.8757191329.

The spelling of 252287075 in words is "two hundred fifty-two million, two hundred eighty-seven thousand, seventy-five".

Divisors: 1 5 25 179 895 4475 56377 281885 1409425 10091483 50457415 252287075