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50706905 = 510141381
BaseRepresentation
bin1100000101101…
…1100111011001
310112102011210112
43001123213121
5100440110110
65010454105
71154000354
oct301334731
9115364715
1050706905
1126693937
1214b94335
13a6750b2
146a3d29b
1546b9405
hex305b9d9

50706905 has 4 divisors (see below), whose sum is σ = 60848292. Its totient is φ = 40565520.

The previous prime is 50706863. The next prime is 50706907. The reversal of 50706905 is 50960705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8508889 + 42198016 = 2917^2 + 6496^2 .

It is not a de Polignac number, because 50706905 - 212 = 50702809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50706907) 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, 5070686 + ... + 5070695.

It is an arithmetic number, because the mean of its divisors is an integer number (15212073).

Almost surely, 250706905 is an apocalyptic number.

It is an amenable number.

50706905 is a deficient number, since it is larger than the sum of its proper divisors (10141387).

50706905 is a wasteful number, since it uses less digits than its factorization.

50706905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141386.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 50706905 is about 7120.8781059642. The cubic root of 50706905 is about 370.1312049899.

The spelling of 50706905 in words is "fifty million, seven hundred six thousand, nine hundred five".

Divisors: 1 5 10141381 50706905