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542643270 = 235131391393
BaseRepresentation
bin100000010110000…
…001010001000110
31101211002010121220
4200112001101012
52102404041040
6125502421210
716306251231
oct4026012106
91354063556
10542643270
11259342a14
12131891806
1388565ac0
14520d6418
153298d2d0
hex20581446

542643270 has 32 divisors (see below), whose sum is σ = 1402525152. Its totient is φ = 133573632.

The previous prime is 542643263. The next prime is 542643307. The reversal of 542643270 is 72346245.

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, 695307 + ... + 696086.

It is an arithmetic number, because the mean of its divisors is an integer number (43828911).

Almost surely, 2542643270 is an apocalyptic number.

542643270 is an abundant number, since it is smaller than the sum of its proper divisors (859881882).

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

542643270 is a wasteful number, since it uses less digits than its factorization.

542643270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391416.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 542643270 is about 23294.7047631001. The cubic root of 542643270 is about 815.6518152397.

The spelling of 542643270 in words is "five hundred forty-two million, six hundred forty-three thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 1391393 2782786 4174179 6956965 8348358 13913930 18088109 20870895 36176218 41741790 54264327 90440545 108528654 180881090 271321635 542643270