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542770660 = 22527138533
BaseRepresentation
bin100000010110100…
…000010111100100
31101211022121101001
4200112200113210
52102422130120
6125505243044
716310321515
oct4026402744
91354277331
10542770660
1125941a6a3
12131933484
13885aba93
145212aa0c
15329b5e0a
hex205a05e4

542770660 has 12 divisors (see below), whose sum is σ = 1139818428. Its totient is φ = 217108256.

The previous prime is 542770651. The next prime is 542770681. The reversal of 542770660 is 66077245.

It can be written as a sum of positive squares in 2 ways, for example, as 147476736 + 395293924 = 12144^2 + 19882^2 .

It is an unprimeable number.

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, 13569247 + ... + 13569286.

It is an arithmetic number, because the mean of its divisors is an integer number (94984869).

Almost surely, 2542770660 is an apocalyptic number.

It is an amenable number.

542770660 is an abundant number, since it is smaller than the sum of its proper divisors (597047768).

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

542770660 is a wasteful number, since it uses less digits than its factorization.

542770660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27138542 (or 27138540 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 542770660 is about 23297.4389150396. The cubic root of 542770660 is about 815.7156372511.

The spelling of 542770660 in words is "five hundred forty-two million, seven hundred seventy thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 27138533 54277066 108554132 135692665 271385330 542770660