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50425201 = 409123289
BaseRepresentation
bin1100000001011…
…0110101110001
310111212212101001
43000112311301
5100402101301
65000442001
71151415151
oct300266561
9114785331
1050425201
1126511222
1214a79301
13a5a6ac8
1469a8761
154660c01
hex3016d71

50425201 has 4 divisors (see below), whose sum is σ = 50548900. Its totient is φ = 50301504.

The previous prime is 50425187. The next prime is 50425211. The reversal of 50425201 is 10252405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10252405 = 52050481.

It can be written as a sum of positive squares in 2 ways, for example, as 27615025 + 22810176 = 5255^2 + 4776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50425201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50425211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61236 + ... + 62053.

It is an arithmetic number, because the mean of its divisors is an integer number (12637225).

Almost surely, 250425201 is an apocalyptic number.

It is an amenable number.

50425201 is a deficient number, since it is larger than the sum of its proper divisors (123699).

50425201 is a wasteful number, since it uses less digits than its factorization.

50425201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123698.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50425201 is about 7101.0704122688. The cubic root of 50425201 is about 369.4445060990. Note that the first 3 decimals are identical.

Adding to 50425201 its reverse (10252405), we get a palindrome (60677606).

The spelling of 50425201 in words is "fifty million, four hundred twenty-five thousand, two hundred one".

Divisors: 1 409 123289 50425201