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252780050 = 2525055601
BaseRepresentation
bin11110001000100…
…01111000010010
3122121122120001002
433010101320102
51004202430200
641025542002
76156411035
oct1704217022
9577576032
10252780050
1111a762436
12707a4902
13404a6bc3
142580101c
15172d2bd5
hexf111e12

252780050 has 12 divisors (see below), whose sum is σ = 470170986. Its totient is φ = 101112000.

The previous prime is 252780049. The next prime is 252780061. The reversal of 252780050 is 50087252.

It can be written as a sum of positive squares in 3 ways, for example, as 232593001 + 20187049 = 15251^2 + 4493^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252779995 and 252780022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2527751 + ... + 2527850.

Almost surely, 2252780050 is an apocalyptic number.

252780050 is a deficient number, since it is larger than the sum of its proper divisors (217390936).

252780050 is a wasteful number, since it uses less digits than its factorization.

252780050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055613 (or 5055608 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 252780050 is about 15899.0581482049. The cubic root of 252780050 is about 632.2870181269.

The spelling of 252780050 in words is "two hundred fifty-two million, seven hundred eighty thousand, fifty".

Divisors: 1 2 5 10 25 50 5055601 10111202 25278005 50556010 126390025 252780050