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42908066 = 243498931
BaseRepresentation
bin1010001110101…
…1100110100010
32222201221210122
42203223212202
541441024231
64131400242
71030466255
oct243534642
988657718
1042908066
1122247513
1212453082
138b743b6
1459ad09c
153b7877b
hex28eb9a2

42908066 has 8 divisors (see below), whose sum is σ = 65859024. Its totient is φ = 20955060.

The previous prime is 42908053. The next prime is 42908113. The reversal of 42908066 is 66080924.

42908066 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 super-2 number, since 2×429080662 = 3682204255720712, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 249380 + ... + 249551.

It is an arithmetic number, because the mean of its divisors is an integer number (8232378).

Almost surely, 242908066 is an apocalyptic number.

42908066 is a deficient number, since it is larger than the sum of its proper divisors (22950958).

42908066 is a wasteful number, since it uses less digits than its factorization.

42908066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498976.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 42908066 is about 6550.4248717163. The cubic root of 42908066 is about 350.0899523898.

The spelling of 42908066 in words is "forty-two million, nine hundred eight thousand, sixty-six".

Divisors: 1 2 43 86 498931 997862 21454033 42908066