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505025830 = 2550502583
BaseRepresentation
bin11110000110100…
…001010100100110
31022012021222012101
4132012201110212
52013241311310
6122040242314
715341435341
oct3606412446
91265258171
10505025830
1123a08a421
1212117039a
138082486a
144b103458
152e50c43a
hex1e1a1526

505025830 has 8 divisors (see below), whose sum is σ = 909046512. Its totient is φ = 202010328.

The previous prime is 505025827. The next prime is 505025831. The reversal of 505025830 is 38520505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025831) 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 3 ways as a sum of consecutive naturals, for example, 25251282 + ... + 25251301.

It is an arithmetic number, because the mean of its divisors is an integer number (113630814).

Almost surely, 2505025830 is an apocalyptic number.

505025830 is a deficient number, since it is larger than the sum of its proper divisors (404020682).

505025830 is a wasteful number, since it uses less digits than its factorization.

505025830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50502590.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 505025830 is about 22472.7797568525. The cubic root of 505025830 is about 796.3510011063.

The spelling of 505025830 in words is "five hundred five million, twenty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 50502583 101005166 252512915 505025830