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50380945 = 5174712611
BaseRepresentation
bin1100000000110…
…0000010010001
310111210121122221
43000030002101
5100344142240
64555501041
71151142136
oct300140221
9114717587
1050380945
1126490a4a
1214a57781
13a58c914
14699658d
154652a4a
hex300c091

50380945 has 16 divisors (see below), whose sum is σ = 65380608. Its totient is φ = 37123840.

The previous prime is 50380931. The next prime is 50380949. The reversal of 50380945 is 54908305.

50380945 = T1046 + T1047 + ... + T1130.

It is not a de Polignac number, because 50380945 - 211 = 50378897 is a prime.

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 50380945.

It is not an unprimeable number, because it can be changed into a prime (50380949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311 + ... + 10300.

It is an arithmetic number, because the mean of its divisors is an integer number (4086288).

Almost surely, 250380945 is an apocalyptic number.

It is an amenable number.

50380945 is a deficient number, since it is larger than the sum of its proper divisors (14999663).

50380945 is a wasteful number, since it uses less digits than its factorization.

50380945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 50380945 is about 7097.9535783210. The cubic root of 50380945 is about 369.3363926865.

The spelling of 50380945 in words is "fifty million, three hundred eighty thousand, nine hundred forty-five".

Divisors: 1 5 17 47 85 235 799 3995 12611 63055 214387 592717 1071935 2963585 10076189 50380945