Search a number
-
+
50129225 = 5216712007
BaseRepresentation
bin1011111100111…
…0100101001001
310111022211100222
42333032211021
5100313113400
64550235425
71146043226
oct277164511
9114284328
1050129225
1126329913
1214955b75
13a502183
14692c94d
154603185
hex2fce949

50129225 has 12 divisors (see below), whose sum is σ = 62537664. Its totient is φ = 39859920.

The previous prime is 50129207. The next prime is 50129227. The reversal of 50129225 is 52292105.

It is a de Polignac number, because none of the positive numbers 2k-50129225 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50129194 and 50129203.

It is not an unprimeable number, because it can be changed into a prime (50129227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1829 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (5211472).

Almost surely, 250129225 is an apocalyptic number.

It is an amenable number.

50129225 is a deficient number, since it is larger than the sum of its proper divisors (12408439).

50129225 is a wasteful number, since it uses less digits than its factorization.

50129225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12184 (or 12179 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 50129225 is about 7080.1995028389. The cubic root of 50129225 is about 368.7202561473.

The spelling of 50129225 in words is "fifty million, one hundred twenty-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 167 835 4175 12007 60035 300175 2005169 10025845 50129225