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42789475 = 5212713477
BaseRepresentation
bin1010001100111…
…0101001100011
32222111221010101
42203032221203
541423230400
64125043231
71026463441
oct243165143
988457111
1042789475
1122176403
12123b6517
138b32421
14597bb91
153b5356a
hex28cea63

42789475 has 12 divisors (see below), whose sum is σ = 53480704. Its totient is φ = 33959520.

The previous prime is 42789469. The next prime is 42789521. The reversal of 42789475 is 57498724.

42789475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42789475 - 25 = 42789443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3564 + ... + 9913.

Almost surely, 242789475 is an apocalyptic number.

42789475 is a deficient number, since it is larger than the sum of its proper divisors (10691229).

42789475 is a wasteful number, since it uses less digits than its factorization.

42789475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614 (or 13609 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 42789475 is about 6541.3664474634. The cubic root of 42789475 is about 349.7671239996.

It can be divided in two parts, 42789 and 475, that added together give a square (43264 = 2082).

The spelling of 42789475 in words is "forty-two million, seven hundred eighty-nine thousand, four hundred seventy-five".

Divisors: 1 5 25 127 635 3175 13477 67385 336925 1711579 8557895 42789475