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50012253 = 326191097
BaseRepresentation
bin1011111011001…
…0000001011101
310111002212220200
42332302001131
5100300343003
64543534113
71145045214
oct276620135
9114085820
1050012253
1126259a45
12148ba339
13a490b65
1468dc07b
1545cd6a3
hex2fb205d

50012253 has 12 divisors (see below), whose sum is σ = 73424988. Its totient is φ = 32794560.

The previous prime is 50012233. The next prime is 50012267. The reversal of 50012253 is 35221005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 30272004 = 4443^2 + 5502^2 .

It is not a de Polignac number, because 50012253 - 212 = 50008157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50012233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45000 + ... + 46097.

It is an arithmetic number, because the mean of its divisors is an integer number (6118749).

Almost surely, 250012253 is an apocalyptic number.

It is an amenable number.

50012253 is a deficient number, since it is larger than the sum of its proper divisors (23412735).

50012253 is a wasteful number, since it uses less digits than its factorization.

50012253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91164 (or 91161 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 50012253 is about 7071.9341767299. The cubic root of 50012253 is about 368.4332410314.

Adding to 50012253 its reverse (35221005), we get a palindrome (85233258).

The spelling of 50012253 in words is "fifty million, twelve thousand, two hundred fifty-three".

Divisors: 1 3 9 61 183 549 91097 273291 819873 5556917 16670751 50012253