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50115469 is a prime number
BaseRepresentation
bin1011111100101…
…1001110001101
310111022010111111
42333023032031
5100312143334
64550052021
71145655145
oct277131615
9114263444
1050115469
112631a548
121494a011
13a4c8b31
146927925
1545ee064
hex2fcb38d

50115469 has 2 divisors, whose sum is σ = 50115470. Its totient is φ = 50115468.

The previous prime is 50115463. The next prime is 50115497. The reversal of 50115469 is 96451105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37970244 + 12145225 = 6162^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 50115469 - 221 = 48018317 is a prime.

It is a super-2 number, since 2×501154692 = 5023120466179922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50115469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50115463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25057734 + 25057735.

It is an arithmetic number, because the mean of its divisors is an integer number (25057735).

Almost surely, 250115469 is an apocalyptic number.

It is an amenable number.

50115469 is a deficient number, since it is larger than the sum of its proper divisors (1).

50115469 is an equidigital number, since it uses as much as digits as its factorization.

50115469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 50115469 is about 7079.2279946333. The cubic root of 50115469 is about 368.6865261234.

The spelling of 50115469 in words is "fifty million, one hundred fifteen thousand, four hundred sixty-nine".