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252062785 = 5133877889
BaseRepresentation
bin11110000011000…
…10110001000001
3122120022010010201
433001202301001
51004012002120
641002325201
76150332632
oct1701426101
9576263121
10252062785
1111a312557
12704b9801
13402b55a0
1425695889
15171e040a
hexf062c41

252062785 has 8 divisors (see below), whose sum is σ = 325742760. Its totient is φ = 186138624.

The previous prime is 252062779. The next prime is 252062803. The reversal of 252062785 is 587260252.

It can be written as a sum of positive squares in 4 ways, for example, as 31629376 + 220433409 = 5624^2 + 14847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252062785 - 29 = 252062273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938880 + ... + 1939009.

It is an arithmetic number, because the mean of its divisors is an integer number (40717845).

Almost surely, 2252062785 is an apocalyptic number.

It is an amenable number.

252062785 is a deficient number, since it is larger than the sum of its proper divisors (73679975).

252062785 is a wasteful number, since it uses less digits than its factorization.

252062785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877907.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 252062785 is about 15876.4852848482. The cubic root of 252062785 is about 631.6884121078.

The spelling of 252062785 in words is "two hundred fifty-two million, sixty-two thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 3877889 19389445 50412557 252062785