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490777925 = 52111784647
BaseRepresentation
bin11101010000001…
…010110101000101
31021012111002202012
4131100022311011
52001114343200
6120411024005
715106354301
oct3520126505
91235432665
10490777925
112320387a0
1211843b005
137a8a6651
1449274d01
152d145a35
hex1d40ad45

490777925 has 12 divisors (see below), whose sum is σ = 663889056. Its totient is φ = 356929200.

The previous prime is 490777891. The next prime is 490777927. The reversal of 490777925 is 529777094.

It is not a de Polignac number, because 490777925 - 210 = 490776901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490777927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892049 + ... + 892598.

It is an arithmetic number, because the mean of its divisors is an integer number (55324088).

Almost surely, 2490777925 is an apocalyptic number.

It is an amenable number.

490777925 is a deficient number, since it is larger than the sum of its proper divisors (173111131).

490777925 is a wasteful number, since it uses less digits than its factorization.

490777925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784668 (or 1784663 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 490777925 is about 22153.5081871924. The cubic root of 490777925 is about 788.7905035195.

The spelling of 490777925 in words is "four hundred ninety million, seven hundred seventy-seven thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 1784647 8923235 19631117 44616175 98155585 490777925