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42305975 = 521692239
BaseRepresentation
bin1010000101100…
…0100110110111
32221121100212222
42201120212313
541312242400
64110432555
71022411015
oct241304667
987540788
1042305975
1121976118
121220275b
1389c332a
1458938b5
153aaa185
hex28589b7

42305975 has 6 divisors (see below), whose sum is σ = 52459440. Its totient is φ = 33844760.

The previous prime is 42305959. The next prime is 42305987. The reversal of 42305975 is 57950324.

42305975 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 42305975 - 24 = 42305959 is a prime.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 846095 + ... + 846144.

It is an arithmetic number, because the mean of its divisors is an integer number (8743240).

Almost surely, 242305975 is an apocalyptic number.

42305975 is a deficient number, since it is larger than the sum of its proper divisors (10153465).

42305975 is a wasteful number, since it uses less digits than its factorization.

42305975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692249 (or 1692244 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 42305975 is about 6504.3043440479. The cubic root of 42305975 is about 348.4447318641. Note that the first 3 decimals are identical.

The spelling of 42305975 in words is "forty-two million, three hundred five thousand, nine hundred seventy-five".

Divisors: 1 5 25 1692239 8461195 42305975