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50827421 is a prime number
BaseRepresentation
bin1100000111100…
…1000010011101
310112122022010002
43001321002131
5101002434141
65013224045
71155011621
oct301710235
9115568102
1050827421
1126766437
1215032025
13a6b7bc8
146a71181
1546dee9b
hex307909d

50827421 has 2 divisors, whose sum is σ = 50827422. Its totient is φ = 50827420.

The previous prime is 50827397. The next prime is 50827453. The reversal of 50827421 is 12472805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48302500 + 2524921 = 6950^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 50827421 - 210 = 50826397 is a prime.

It is a super-2 number, since 2×508274212 = 5166853451022482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50827471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25413710 + 25413711.

It is an arithmetic number, because the mean of its divisors is an integer number (25413711).

Almost surely, 250827421 is an apocalyptic number.

It is an amenable number.

50827421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50827421 is an equidigital number, since it uses as much as digits as its factorization.

50827421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 50827421 is about 7129.3352425033. The cubic root of 50827421 is about 370.4242054514.

The spelling of 50827421 in words is "fifty million, eight hundred twenty-seven thousand, four hundred twenty-one".