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50680221 = 3106915803
BaseRepresentation
bin1100000101010…
…1000110011101
310112100211012020
43001111012131
5100433231341
65010130353
71153526514
oct301250635
9115324166
1050680221
1126675889
1214b809b9
13a665bc7
146a3367b
1546b1566
hex305519d

50680221 has 8 divisors (see below), whose sum is σ = 67641120. Its totient is φ = 33753072.

The previous prime is 50680193. The next prime is 50680237. The reversal of 50680221 is 12208605.

50680221 = 23692 + 23702 + ... + 23772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50680221 - 210 = 50679197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50680191 and 50680200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50680291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4695 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (8455140).

Almost surely, 250680221 is an apocalyptic number.

It is an amenable number.

50680221 is a deficient number, since it is larger than the sum of its proper divisors (16960899).

50680221 is a wasteful number, since it uses less digits than its factorization.

50680221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16875.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 50680221 is about 7119.0042140738. The cubic root of 50680221 is about 370.0662676534.

Adding to 50680221 its reverse (12208605), we get a palindrome (62888826).

The spelling of 50680221 in words is "fifty million, six hundred eighty thousand, two hundred twenty-one".

Divisors: 1 3 1069 3207 15803 47409 16893407 50680221