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545142912 = 2731419643
BaseRepresentation
bin100000011111100…
…011100010000000
31101222210010111020
4200133203202000
52104024033122
6130032145440
716336431636
oct4037434200
91358703436
10545142912
1125a79aa36
12132698280
1388c2c792
1452587356
1532cd3c5c
hex207e3880

545142912 has 32 divisors (see below), whose sum is σ = 1448036880. Its totient is φ = 181714176.

The previous prime is 545142869. The next prime is 545142919. The reversal of 545142912 is 219241545.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (545142919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709438 + ... + 710205.

Almost surely, 2545142912 is an apocalyptic number.

It is an amenable number.

545142912 is an abundant number, since it is smaller than the sum of its proper divisors (902893968).

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

545142912 is a wasteful number, since it uses less digits than its factorization.

545142912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419660 (or 1419648 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 545142912 is about 23348.2956979733. The cubic root of 545142912 is about 816.9023083074.

The spelling of 545142912 in words is "five hundred forty-five million, one hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1419643 2839286 4258929 5678572 8517858 11357144 17035716 22714288 34071432 45428576 68142864 90857152 136285728 181714304 272571456 545142912