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42906911 = 477731181
BaseRepresentation
bin1010001110101…
…1010100011111
32222201220012212
42203223110133
541441010121
64131351035
71030463015
oct243532437
988656185
1042906911
1122246663
121245247b
138b73a08
1459ac8b5
153b7825b
hex28eb51f

42906911 has 8 divisors (see below), whose sum is σ = 43913664. Its totient is φ = 41904160.

The previous prime is 42906907. The next prime is 42906923. The reversal of 42906911 is 11960924.

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 42906911 - 22 = 42906907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42906931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35741 + ... + 36921.

It is an arithmetic number, because the mean of its divisors is an integer number (5489208).

Almost surely, 242906911 is an apocalyptic number.

42906911 is a deficient number, since it is larger than the sum of its proper divisors (1006753).

42906911 is a wasteful number, since it uses less digits than its factorization.

42906911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 42906911 is about 6550.3367089028. The cubic root of 42906911 is about 350.0868111194.

The spelling of 42906911 in words is "forty-two million, nine hundred six thousand, nine hundred eleven".

Divisors: 1 47 773 1181 36331 55507 912913 42906911