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250243422 = 231113535503
BaseRepresentation
bin11101110101001…
…10100101011110
3122102212200102220
432322212211132
51003030242142
640455330210
76126014442
oct1672464536
9572780386
10250243422
1111928a650
126b980966
133cac9440
1425340822
1516e812ec
hexeea695e

250243422 has 64 divisors (see below), whose sum is σ = 599187456. Its totient is φ = 68664960.

The previous prime is 250243421. The next prime is 250243453. The reversal of 250243422 is 224342052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 250243392 and 250243401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250243421) 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 31 ways as a sum of consecutive naturals, for example, 42723 + ... + 48225.

It is an arithmetic number, because the mean of its divisors is an integer number (9362304).

Almost surely, 2250243422 is an apocalyptic number.

250243422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 250243422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299593728).

250243422 is an abundant number, since it is smaller than the sum of its proper divisors (348944034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250243422 is a wasteful number, since it uses less digits than its factorization.

250243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 250243422 is about 15819.0841074950. The cubic root of 250243422 is about 630.1649202906.

Adding to 250243422 its reverse (224342052), we get a palindrome (474585474).

The spelling of 250243422 in words is "two hundred fifty million, two hundred forty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 53 66 78 106 143 159 286 318 429 583 689 858 1166 1378 1749 2067 3498 4134 5503 7579 11006 15158 16509 22737 33018 45474 60533 71539 121066 143078 181599 214617 291659 363198 429234 583318 786929 874977 1573858 1749954 2360787 3208249 3791567 4721574 6416498 7583134 9624747 11374701 19249494 22749402 41707237 83414474 125121711 250243422