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50220225 = 325211103197
BaseRepresentation
bin1011111110010…
…0110011000001
310111111110012100
42333210303001
5100324021400
64552221013
71146602436
oct277446301
9114443170
1050220225
1126391220
121499a769
13a534713
146953b8d
154620100
hex2fe4cc1

50220225 has 72 divisors (see below), whose sum is σ = 99582912. Its totient is φ = 23990400.

The previous prime is 50220197. The next prime is 50220311. The reversal of 50220225 is 52202205.

It is not a de Polignac number, because 50220225 - 210 = 50219201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50220198 and 50220207.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 254827 + ... + 255023.

It is an arithmetic number, because the mean of its divisors is an integer number (1383096).

Almost surely, 250220225 is an apocalyptic number.

50220225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50220225 is a deficient number, since it is larger than the sum of its proper divisors (49362687).

50220225 is a wasteful number, since it uses less digits than its factorization.

50220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50220225 is about 7086.6229616087. The cubic root of 50220225 is about 368.9432349281.

The spelling of 50220225 in words is "fifty million, two hundred twenty thousand, two hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 103 165 197 225 275 309 495 515 591 825 927 985 1133 1545 1773 2167 2475 2575 2955 3399 4635 4925 5665 6501 7725 8865 10197 10835 14775 16995 19503 20291 23175 28325 32505 44325 50985 54175 60873 84975 97515 101455 162525 182619 223201 254925 304365 487575 507275 669603 913095 1116005 1521825 2008809 3348015 4565475 5580025 10044045 16740075 50220225