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523920383 = 7192207329
BaseRepresentation
bin11111001110100…
…110001111111111
31100111211220122122
4133032212033333
52033110423013
6123553233155
715661151450
oct3716461777
91314756578
10523920383
11249815158
121275627bb
138470ba7c
144d821127
1530ee0a08
hex1f3a63ff

523920383 has 12 divisors (see below), whose sum is σ = 631941840. Its totient is φ = 425437056.

The previous prime is 523920373. The next prime is 523920391. The reversal of 523920383 is 383029325.

It is not a de Polignac number, because 523920383 - 210 = 523919359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523920373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101138 + ... + 106191.

It is an arithmetic number, because the mean of its divisors is an integer number (52661820).

Almost surely, 2523920383 is an apocalyptic number.

523920383 is a deficient number, since it is larger than the sum of its proper divisors (108021457).

523920383 is a wasteful number, since it uses less digits than its factorization.

523920383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207374 (or 207355 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 523920383 is about 22889.3071760593. The cubic root of 523920383 is about 806.1609641639.

The spelling of 523920383 in words is "five hundred twenty-three million, nine hundred twenty thousand, three hundred eighty-three".

Divisors: 1 7 19 133 361 2527 207329 1451303 3939251 27574757 74845769 523920383