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50831825 = 5211184843
BaseRepresentation
bin1100000111101…
…0000111010001
310112122112011012
43001322013101
5101003104300
65013300305
71155030512
oct301720721
9115575135
1050831825
1126769780
1215034695
13a6b9c05
146a72a09
1546e1435
hex307a1d1

50831825 has 12 divisors (see below), whose sum is σ = 68761968. Its totient is φ = 36968400.

The previous prime is 50831813. The next prime is 50831843. The reversal of 50831825 is 52813805.

It is a happy number.

It is not a de Polignac number, because 50831825 - 28 = 50831569 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50831791 and 50831800.

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, 92147 + ... + 92696.

It is an arithmetic number, because the mean of its divisors is an integer number (5730164).

Almost surely, 250831825 is an apocalyptic number.

50831825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50831825 is a deficient number, since it is larger than the sum of its proper divisors (17930143).

50831825 is a wasteful number, since it uses less digits than its factorization.

50831825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184864 (or 184859 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 50831825 is about 7129.6441005144. The cubic root of 50831825 is about 370.4349037520.

The spelling of 50831825 in words is "fifty million, eight hundred thirty-one thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 275 184843 924215 2033273 4621075 10166365 50831825