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506045140 = 225131193147
BaseRepresentation
bin11110001010011…
…010001011010100
31022021012202102121
4132022122023110
52014021421030
6122114145324
715353212156
oct3612321324
91267182377
10506045140
1123a716227
12121582244
1380ac07c3
144b2caad6
152e65e47a
hex1e29a2d4

506045140 has 24 divisors (see below), whose sum is σ = 1070812512. Its totient is φ = 200871840.

The previous prime is 506045123. The next prime is 506045143. The reversal of 506045140 is 41540605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506045143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93954 + ... + 99193.

It is an arithmetic number, because the mean of its divisors is an integer number (44617188).

Almost surely, 2506045140 is an apocalyptic number.

It is an amenable number.

506045140 is an abundant number, since it is smaller than the sum of its proper divisors (564767372).

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

506045140 is a wasteful number, since it uses less digits than its factorization.

506045140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193287 (or 193285 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 506045140 is about 22495.4470949123. The cubic root of 506045140 is about 796.8864080694.

Adding to 506045140 its reverse (41540605), we get a palindrome (547585745).

The spelling of 506045140 in words is "five hundred six million, forty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 193147 386294 772588 965735 1931470 3862940 25302257 50604514 101209028 126511285 253022570 506045140