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510242140 = 22525512107
BaseRepresentation
bin11110011010011…
…010110101011100
31022120002222122001
4132122122311130
52021110222030
6122344132044
715433662262
oct3632326534
91276088561
10510242140
11242022521
12122a67024
138192cc35
144baa0432
152ebdccca
hex1e69ad5c

510242140 has 12 divisors (see below), whose sum is σ = 1071508536. Its totient is φ = 204096848.

The previous prime is 510242123. The next prime is 510242191. The reversal of 510242140 is 41242015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12756034 + ... + 12756073.

It is an arithmetic number, because the mean of its divisors is an integer number (89292378).

Almost surely, 2510242140 is an apocalyptic number.

It is an amenable number.

510242140 is an abundant number, since it is smaller than the sum of its proper divisors (561266396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

510242140 is a wasteful number, since it uses less digits than its factorization.

510242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25512116 (or 25512114 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 510242140 is about 22588.5400147951. The cubic root of 510242140 is about 799.0833981190.

Adding to 510242140 its reverse (41242015), we get a palindrome (551484155).

The spelling of 510242140 in words is "five hundred ten million, two hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 25512107 51024214 102048428 127560535 255121070 510242140