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538517814 = 232311933271
BaseRepresentation
bin100000000110010…
…010000100110110
31101112022112120020
4200012102010312
52100330032224
6125234150010
716226216532
oct4006220466
91345275506
10538517814
11256a8544a
12130422306
13877500c3
1451740bc2
1532425c79
hex20192136

538517814 has 32 divisors (see below), whose sum is σ = 1125149184. Its totient is φ = 171504960.

The previous prime is 538517809. The next prime is 538517827. The reversal of 538517814 is 418715835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162999 + ... + 166269.

It is an arithmetic number, because the mean of its divisors is an integer number (35160912).

Almost surely, 2538517814 is an apocalyptic number.

538517814 is an abundant number, since it is smaller than the sum of its proper divisors (586631370).

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

538517814 is a wasteful number, since it uses less digits than its factorization.

538517814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492.

The product of its digits is 134400, while the sum is 42.

The square root of 538517814 is about 23205.9865982897. The cubic root of 538517814 is about 813.5795519371.

The spelling of 538517814 in words is "five hundred thirty-eight million, five hundred seventeen thousand, eight hundred fourteen".

Divisors: 1 2 3 6 23 46 69 138 1193 2386 3271 3579 6542 7158 9813 19626 27439 54878 75233 82317 150466 164634 225699 451398 3902303 7804606 11706909 23413818 89752969 179505938 269258907 538517814