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250214121 = 3227801569
BaseRepresentation
bin11101110100111…
…11011011101001
3122102211012020200
432322133123221
51003023322441
640454542413
76125533143
oct1672373351
9572735220
10250214121
1111926a633
126b967a09
133cab8cc1
1425333c93
1516e777b6
hexee9f6e9

250214121 has 6 divisors (see below), whose sum is σ = 361420410. Its totient is φ = 166809408.

The previous prime is 250214087. The next prime is 250214137. The reversal of 250214121 is 121412052.

250214121 is a `hidden beast` number, since 2 + 502 + 141 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 249292521 + 921600 = 15789^2 + 960^2 .

It is not a de Polignac number, because 250214121 - 26 = 250214057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250214094 and 250214103.

It is not an unprimeable number, because it can be changed into a prime (250214141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13900776 + ... + 13900793.

It is an arithmetic number, because the mean of its divisors is an integer number (60236735).

Almost surely, 2250214121 is an apocalyptic number.

It is an amenable number.

250214121 is a deficient number, since it is larger than the sum of its proper divisors (111206289).

250214121 is a wasteful number, since it uses less digits than its factorization.

250214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27801575 (or 27801572 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 250214121 is about 15818.1579521764. The cubic root of 250214121 is about 630.1403239956.

Adding to 250214121 its reverse (121412052), we get a palindrome (371626173).

The spelling of 250214121 in words is "two hundred fifty million, two hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 3 9 27801569 83404707 250214121