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252335215 = 51121133691
BaseRepresentation
bin11110000101001…
…01010001101111
3122120210221211201
433002211101233
51004044211330
641012230331
76152546116
oct1702452157
9576727751
10252335215
1111a489200
127060b3a7
134037c5a2
1425726c7d
1517245eca
hexf0a546f

252335215 has 24 divisors (see below), whose sum is σ = 335868624. Its totient is φ = 181843200.

The previous prime is 252335129. The next prime is 252335221. The reversal of 252335215 is 512533252.

It is not a de Polignac number, because 252335215 - 29 = 252334703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66520 + ... + 70210.

It is an arithmetic number, because the mean of its divisors is an integer number (13994526).

Almost surely, 2252335215 is an apocalyptic number.

252335215 is a deficient number, since it is larger than the sum of its proper divisors (83533409).

252335215 is a wasteful number, since it uses less digits than its factorization.

252335215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3820 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 252335215 is about 15885.0626375850. The cubic root of 252335215 is about 631.9159068999.

Adding to 252335215 its reverse (512533252), we get a palindrome (764868467).

The spelling of 252335215 in words is "two hundred fifty-two million, three hundred thirty-five thousand, two hundred fifteen".

Divisors: 1 5 11 55 113 121 565 605 1243 3691 6215 13673 18455 40601 68365 203005 417083 446611 2085415 2233055 4587913 22939565 50467043 252335215