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537885690 = 235138112983
BaseRepresentation
bin100000000011110…
…111101111111010
31101111010102110020
4200003313233322
52100144320230
6125212431310
716220644566
oct4003675772
91344112406
10537885690
11256693531
12130178536
138758b474
14516186a6
153234d810
hex200f7bfa

537885690 has 32 divisors (see below), whose sum is σ = 1291959936. Its totient is φ = 143321280.

The previous prime is 537885653. The next prime is 537885697. The reversal of 537885690 is 96588735.

It is a super-2 number, since 2×5378856902 = 578642031013552200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537885697) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34939 + ... + 47921.

It is an arithmetic number, because the mean of its divisors is an integer number (40373748).

Almost surely, 2537885690 is an apocalyptic number.

537885690 is an abundant number, since it is smaller than the sum of its proper divisors (754074246).

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

537885690 is a wasteful number, since it uses less digits than its factorization.

537885690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14374.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 537885690 is about 23192.3627515611. The cubic root of 537885690 is about 813.2610948039.

The spelling of 537885690 in words is "five hundred thirty-seven million, eight hundred eighty-five thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1381 2762 4143 6905 8286 12983 13810 20715 25966 38949 41430 64915 77898 129830 194745 389490 17929523 35859046 53788569 89647615 107577138 179295230 268942845 537885690