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250122101 = 346372227
BaseRepresentation
bin11101110100010…
…00111101110101
3122102122112000112
432322020331311
51003012401401
640452552405
76125000645
oct1672107565
9572575015
10250122101
11119207489
126b922705
133ca86158
142530c525
1516e5a3bb
hexee88f75

250122101 has 4 divisors (see below), whose sum is σ = 250197792. Its totient is φ = 250046412.

The previous prime is 250122097. The next prime is 250122151. The reversal of 250122101 is 101221052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250122101 - 22 = 250122097 is a prime.

It is a super-2 number, since 2×2501221012 = 125122130817308402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250122151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32651 + ... + 39576.

It is an arithmetic number, because the mean of its divisors is an integer number (62549448).

Almost surely, 2250122101 is an apocalyptic number.

It is an amenable number.

250122101 is a deficient number, since it is larger than the sum of its proper divisors (75691).

250122101 is an equidigital number, since it uses as much as digits as its factorization.

250122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75690.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 250122101 is about 15815.2490021498. The cubic root of 250122101 is about 630.0630666687.

Adding to 250122101 its reverse (101221052), we get a palindrome (351343153).

The spelling of 250122101 in words is "two hundred fifty million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 3463 72227 250122101