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50254221 = 3196713159
BaseRepresentation
bin1011111110110…
…1000110001101
310111120011211110
42333231012031
5100331113341
64553042233
71150103523
oct277550615
9114504743
1050254221
1126404816
12149b6379
13a547034
146962313
15462a216
hex2fed18d

50254221 has 16 divisors (see below), whose sum is σ = 71590400. Its totient is φ = 31263408.

The previous prime is 50254219. The next prime is 50254223. The reversal of 50254221 is 12245205.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50254219) and next prime (50254223).

It is not a de Polignac number, because 50254221 - 21 = 50254219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50254223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (4474400).

Almost surely, 250254221 is an apocalyptic number.

It is an amenable number.

50254221 is a deficient number, since it is larger than the sum of its proper divisors (21336179).

50254221 is a wasteful number, since it uses less digits than its factorization.

50254221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 50254221 is about 7089.0211595114. The cubic root of 50254221 is about 369.0264667674.

Adding to 50254221 its reverse (12245205), we get a palindrome (62499426).

The spelling of 50254221 in words is "fifty million, two hundred fifty-four thousand, two hundred twenty-one".

Divisors: 1 3 19 57 67 201 1273 3819 13159 39477 250021 750063 881653 2644959 16751407 50254221