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42566907 = 359240491
BaseRepresentation
bin1010001001100…
…0010011111011
32222002121211010
42202120103323
541344120112
64120205003
71024545525
oct242302373
988077733
1042566907
1122034169
1212309763
138a85026
145920a15
153b0c63c
hex28984fb

42566907 has 8 divisors (see below), whose sum is σ = 57718080. Its totient is φ = 27896840.

The previous prime is 42566899. The next prime is 42566921. The reversal of 42566907 is 70966524.

42566907 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 42566907 - 23 = 42566899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42561907) 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, 120069 + ... + 120422.

It is an arithmetic number, because the mean of its divisors is an integer number (7214760).

Almost surely, 242566907 is an apocalyptic number.

42566907 is a deficient number, since it is larger than the sum of its proper divisors (15151173).

42566907 is a wasteful number, since it uses less digits than its factorization.

42566907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240553.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 42566907 is about 6524.3319198214. The cubic root of 42566907 is about 349.1596355659.

The spelling of 42566907 in words is "forty-two million, five hundred sixty-six thousand, nine hundred seven".

Divisors: 1 3 59 177 240491 721473 14188969 42566907