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42270527 = 13231091297
BaseRepresentation
bin1010000100111…
…1111100111111
32221112120021002
42201033330333
541310124102
64110000515
71022202455
oct241177477
987476232
1042270527
1121951522
12121a613b
1389b0160
1458849d5
153a9e902
hex284ff3f

42270527 has 16 divisors (see below), whose sum is σ = 47974080. Its totient is φ = 36951552.

The previous prime is 42270493. The next prime is 42270533. The reversal of 42270527 is 72507224.

It is a cyclic number.

It is not a de Polignac number, because 42270527 - 28 = 42270271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42270527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42270587) 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, 31943 + ... + 33239.

It is an arithmetic number, because the mean of its divisors is an integer number (2998380).

Almost surely, 242270527 is an apocalyptic number.

42270527 is a deficient number, since it is larger than the sum of its proper divisors (5703553).

42270527 is a wasteful number, since it uses less digits than its factorization.

42270527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 42270527 is about 6501.5788082588. The cubic root of 42270527 is about 348.3473845409.

The spelling of 42270527 in words is "forty-two million, two hundred seventy thousand, five hundred twenty-seven".

Divisors: 1 13 23 109 299 1297 1417 2507 16861 29831 32591 141373 387803 1837849 3251579 42270527