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50545105 = 513777617
BaseRepresentation
bin1100000011010…
…0000111010001
310112002221211221
43000310013101
5100414420410
65003205041
71152424552
oct300640721
9115087757
1050545105
1126593316
1214b16781
13a619560
1469da329
1546864da
hex30341d1

50545105 has 8 divisors (see below), whose sum is σ = 65319912. Its totient is φ = 37325568.

The previous prime is 50545067. The next prime is 50545129. The reversal of 50545105 is 50154505.

It can be written as a sum of positive squares in 4 ways, for example, as 3196944 + 47348161 = 1788^2 + 6881^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50545105 - 215 = 50512337 is a prime.

It is a super-2 number, since 2×505451052 = 5109615278922050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50545105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388744 + ... + 388873.

It is an arithmetic number, because the mean of its divisors is an integer number (8164989).

Almost surely, 250545105 is an apocalyptic number.

It is an amenable number.

50545105 is a deficient number, since it is larger than the sum of its proper divisors (14774807).

50545105 is a wasteful number, since it uses less digits than its factorization.

50545105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777635.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 50545105 is about 7109.5080701832. The cubic root of 50545105 is about 369.7371032404.

The spelling of 50545105 in words is "fifty million, five hundred forty-five thousand, one hundred five".

Divisors: 1 5 13 65 777617 3888085 10109021 50545105