Search a number
-
+
50542402 = 282130781
BaseRepresentation
bin1100000011001…
…1011101000010
310112002211010211
43000303131002
5100414324102
65003144334
71152413641
oct300633502
9115084124
1050542402
1126591289
1214b150aa
13a618261
1469d9358
1546857d7
hex3033742

50542402 has 8 divisors (see below), whose sum is σ = 75908412. Its totient is φ = 25239600.

The previous prime is 50542399. The next prime is 50542403. The reversal of 50542402 is 20424505.

It can be written as a sum of positive squares in 2 ways, for example, as 46936201 + 3606201 = 6851^2 + 1899^2 .

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

It is not an unprimeable number, because it can be changed into a prime (50542403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13749 + ... + 17032.

Almost surely, 250542402 is an apocalyptic number.

50542402 is a deficient number, since it is larger than the sum of its proper divisors (25366010).

50542402 is a wasteful number, since it uses less digits than its factorization.

50542402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31604.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 50542402 is about 7109.3179701009. The cubic root of 50542402 is about 369.7305123140.

Adding to 50542402 its reverse (20424505), we get a palindrome (70966907).

The spelling of 50542402 in words is "fifty million, five hundred forty-two thousand, four hundred two".

Divisors: 1 2 821 1642 30781 61562 25271201 50542402