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542026660 = 22573871619
BaseRepresentation
bin100000010011101…
…010101110100100
31101202220210210111
4200103222232210
52102224323120
6125441302404
716301102440
oct4023525644
91352823714
10542026660
11258a6171a
12131634a04
13883ab246
1451db5820
15328ba75a
hex204eaba4

542026660 has 24 divisors (see below), whose sum is σ = 1300864320. Its totient is φ = 185837664.

The previous prime is 542026633. The next prime is 542026669. The reversal of 542026660 is 66620245.

It is not an unprimeable number, because it can be changed into a prime (542026669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935670 + ... + 1935949.

It is an arithmetic number, because the mean of its divisors is an integer number (54202680).

Almost surely, 2542026660 is an apocalyptic number.

It is an amenable number.

542026660 is an abundant number, since it is smaller than the sum of its proper divisors (758837660).

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

542026660 is a wasteful number, since it uses less digits than its factorization.

542026660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871635 (or 3871633 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 542026660 is about 23281.4660191320. The cubic root of 542026660 is about 815.3427541973.

The spelling of 542026660 in words is "five hundred forty-two million, twenty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3871619 7743238 15486476 19358095 27101333 38716190 54202666 77432380 108405332 135506665 271013330 542026660