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50161225 = 526729947
BaseRepresentation
bin1011111101011…
…0011001001001
310111101110021011
42333112121021
5100320124400
64551043521
71146235432
oct277263111
9114343234
1050161225
1126350964
12149705a1
13a5138ca
14693a489
15460c8ba
hex2fd6649

50161225 has 12 divisors (see below), whose sum is σ = 63130384. Its totient is φ = 39528720.

The previous prime is 50161219. The next prime is 50161249. The reversal of 50161225 is 52216105.

It is not a de Polignac number, because 50161225 - 23 = 50161217 is a prime.

It is a super-2 number, since 2×501612252 = 5032296987001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50161196 and 50161205.

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, 13299 + ... + 16648.

Almost surely, 250161225 is an apocalyptic number.

It is an amenable number.

50161225 is a deficient number, since it is larger than the sum of its proper divisors (12969159).

50161225 is a wasteful number, since it uses less digits than its factorization.

50161225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30024 (or 30019 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 50161225 is about 7082.4589656418. The cubic root of 50161225 is about 368.7986970065.

It can be divided in two parts, 5016 and 1225, that added together give a square (6241 = 792).

The spelling of 50161225 in words is "fifty million, one hundred sixty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 67 335 1675 29947 149735 748675 2006449 10032245 50161225