Search a number
-
+
50243220 = 22335195983
BaseRepresentation
bin1011111110101…
…0011010010100
310111112121202000
42333222122110
5100330240340
64552515300
71150026456
oct277523224
9114477660
1050243220
11263a7525
12149abb30
13a542021
14695c2d6
154626d30
hex2fea694

50243220 has 192 divisors, whose sum is σ = 169344000. Its totient is φ = 12327552.

The previous prime is 50243213. The next prime is 50243227. The reversal of 50243220 is 2234205.

It is an interprime number because it is at equal distance from previous prime (50243213) and next prime (50243227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 50243193 and 50243202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50243227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 605299 + ... + 605381.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 250243220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50243220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

50243220 is an abundant number, since it is smaller than the sum of its proper divisors (119100780).

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

50243220 is a wasteful number, since it uses less digits than its factorization.

50243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50243220 is about 7088.2451989191. The cubic root of 50243220 is about 368.9995373119. Note that the first 3 decimals are identical.

Adding to 50243220 its reverse (2234205), we get a palindrome (52477425).

The spelling of 50243220 in words is "fifty million, two hundred forty-three thousand, two hundred twenty".