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500131388 = 22125032847
BaseRepresentation
bin11101110011110…
…110011000111100
31021212002022021202
4131303312120330
52011013201023
6121343315032
715252022001
oct3563663074
91255068252
10500131388
11237347129
1211b5aba78
137c7ccb43
144a5cb8a8
152dd92128
hex1dcf663c

500131388 has 6 divisors (see below), whose sum is σ = 875229936. Its totient is φ = 250065692.

The previous prime is 500131363. The next prime is 500131403. The reversal of 500131388 is 883131005.

It is a self number, because there is not a number n which added to its sum of digits gives 500131388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62516420 + ... + 62516427.

It is an arithmetic number, because the mean of its divisors is an integer number (145871656).

Almost surely, 2500131388 is an apocalyptic number.

It is an amenable number.

500131388 is a deficient number, since it is larger than the sum of its proper divisors (375098548).

500131388 is a wasteful number, since it uses less digits than its factorization.

500131388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125032851 (or 125032849 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 500131388 is about 22363.6175070135. The cubic root of 500131388 is about 793.7700417119.

The spelling of 500131388 in words is "five hundred million, one hundred thirty-one thousand, three hundred eighty-eight".

Divisors: 1 2 4 125032847 250065694 500131388