[go: up one dir, main page]

Search a number
-
+
50270220 = 223457111331
BaseRepresentation
bin1011111111000…
…1000000001100
310111120222210000
42333301000030
5100332121340
64553244300
71150201260
oct277610014
9114528700
1050270220
1126415840
1214a03690
13a5513c0
1469680a0
15462ed30
hex2ff100c

50270220 has 480 divisors, whose sum is σ = 218566656. Its totient is φ = 9331200.

The previous prime is 50270191. The next prime is 50270239. The reversal of 50270220 is 2207205.

It is a happy number.

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 = 50270193 and 50270202.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1621605 + ... + 1621635.

Almost surely, 250270220 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 50270220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109283328).

50270220 is an abundant number, since it is smaller than the sum of its proper divisors (168296436).

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

50270220 is a wasteful number, since it uses less digits than its factorization.

50270220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 50270220 is about 7090.1495047707. The cubic root of 50270220 is about 369.0656238630.

Adding to 50270220 its reverse (2207205), we get a palindrome (52477425).

The spelling of 50270220 in words is "fifty million, two hundred seventy thousand, two hundred twenty".