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42700009 = 114099491
BaseRepresentation
bin1010001011100…
…0110011101001
32222100101101211
42202320303221
541412400014
64123113121
71025641552
oct242706351
988311354
1042700009
1122115170
12123727a1
138b007a1
145957329
153b36cc4
hex28b8ce9

42700009 has 8 divisors (see below), whose sum is σ = 46700640. Its totient is φ = 38719200.

The previous prime is 42699997. The next prime is 42700037. The reversal of 42700009 is 90000724.

42700009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42700009 - 215 = 42667241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42700069) 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, 247 + ... + 9244.

It is an arithmetic number, because the mean of its divisors is an integer number (5837580).

Almost surely, 242700009 is an apocalyptic number.

It is an amenable number.

42700009 is a deficient number, since it is larger than the sum of its proper divisors (4000631).

42700009 is a wasteful number, since it uses less digits than its factorization.

42700009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 42700009 is about 6534.5243897318. The cubic root of 42700009 is about 349.5231847292.

The spelling of 42700009 in words is "forty-two million, seven hundred thousand, nine".

Divisors: 1 11 409 4499 9491 104401 3881819 42700009