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50663138 = 237684637
BaseRepresentation
bin1100000101000…
…0111011100010
310112022221202112
43001100323202
5100432210023
65005515322
71153425641
oct301207342
9115287675
1050663138
1126663a69
1214b72b42
13a65b1b6
146a2b358
1546ab478
hex3050ee2

50663138 has 8 divisors (see below), whose sum is σ = 78048732. Its totient is φ = 24646896.

The previous prime is 50663113. The next prime is 50663141. The reversal of 50663138 is 83136605.

It can be written as a sum of positive squares in 2 ways, for example, as 50651689 + 11449 = 7117^2 + 107^2 .

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

It is an unprimeable number.

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, 342245 + ... + 342392.

Almost surely, 250663138 is an apocalyptic number.

50663138 is a deficient number, since it is larger than the sum of its proper divisors (27385594).

50663138 is a wasteful number, since it uses less digits than its factorization.

50663138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684676.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 50663138 is about 7117.8042962700. The cubic root of 50663138 is about 370.0246830380.

The spelling of 50663138 in words is "fifty million, six hundred sixty-three thousand, one hundred thirty-eight".

Divisors: 1 2 37 74 684637 1369274 25331569 50663138