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50381225 = 5213011549
BaseRepresentation
bin1100000000110…
…0000110101001
310111210122001022
43000030012221
5100344144400
64555502225
71151143016
oct300140651
9114718038
1050381225
1126491184
1214a57975
13a58ca9b
14699670d
154652b85
hex300c1a9

50381225 has 12 divisors (see below), whose sum is σ = 62561100. Its totient is φ = 40248000.

The previous prime is 50381203. The next prime is 50381237. The reversal of 50381225 is 52218305.

It can be written as a sum of positive squares in 6 ways, for example, as 15936064 + 34445161 = 3992^2 + 5869^2 .

It is a de Polignac number, because none of the positive numbers 2k-50381225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50381194 and 50381203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31751 + ... + 33299.

It is an arithmetic number, because the mean of its divisors is an integer number (5213425).

Almost surely, 250381225 is an apocalyptic number.

It is an amenable number.

50381225 is a deficient number, since it is larger than the sum of its proper divisors (12179875).

50381225 is a wasteful number, since it uses less digits than its factorization.

50381225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 50381225 is about 7097.9733022885. The cubic root of 50381225 is about 369.3370769002.

The spelling of 50381225 in words is "fifty million, three hundred eighty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 1301 1549 6505 7745 32525 38725 2015249 10076245 50381225