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50970161 = 112421241
BaseRepresentation
bin1100001001101…
…1111000110001
310112220112220202
43002123320301
5101022021121
65020244545
71156145024
oct302337061
9115815822
1050970161
1126853700
12150a0755
13a737b78
146aab1bb
15471c40b
hex309be31

50970161 has 6 divisors (see below), whose sum is σ = 56025186. Its totient is φ = 46336400.

The previous prime is 50970151. The next prime is 50970167. The reversal of 50970161 is 16107905.

It is a happy number.

50970161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47872561 + 3097600 = 6919^2 + 1760^2 .

It is a de Polignac number, because none of the positive numbers 2k-50970161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50970167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210500 + ... + 210741.

It is an arithmetic number, because the mean of its divisors is an integer number (9337531).

Almost surely, 250970161 is an apocalyptic number.

It is an amenable number.

50970161 is a deficient number, since it is larger than the sum of its proper divisors (5055025).

50970161 is a wasteful number, since it uses less digits than its factorization.

50970161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421263 (or 421252 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 50970161 is about 7139.3389750032. The cubic root of 50970161 is about 370.7706387412.

The spelling of 50970161 in words is "fifty million, nine hundred seventy thousand, one hundred sixty-one".

Divisors: 1 11 121 421241 4633651 50970161