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50401369 is a prime number
BaseRepresentation
bin1100000001000…
…1000001011001
310111211122200101
43000101001121
5100400320434
65000135401
71151255524
oct300210131
9114748611
1050401369
11264a5327
1214a67561
13a598cc5
14699dbbb
154658b14
hex3011059

50401369 has 2 divisors, whose sum is σ = 50401370. Its totient is φ = 50401368.

The previous prime is 50401367. The next prime is 50401427. The reversal of 50401369 is 96310405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 345744 = 7075^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 50401369 - 21 = 50401367 is a prime.

It is a super-2 number, since 2×504013692 = 5080595994148322, which contains 22 as substring.

Together with 50401367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50401367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25200684 + 25200685.

It is an arithmetic number, because the mean of its divisors is an integer number (25200685).

Almost surely, 250401369 is an apocalyptic number.

It is an amenable number.

50401369 is a deficient number, since it is larger than the sum of its proper divisors (1).

50401369 is an equidigital number, since it uses as much as digits as its factorization.

50401369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 50401369 is about 7099.3921570794. The cubic root of 50401369 is about 369.3862945385.

The spelling of 50401369 in words is "fifty million, four hundred one thousand, three hundred sixty-nine".