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42844205 = 5131149439
BaseRepresentation
bin1010001101110…
…0000000101101
32222121201012102
42203130000231
541432003310
64130144445
71030112135
oct243340055
988551172
1042844205
1122203538
1212422125
138b51301
145993ac5
153b648a5
hex28dc02d

42844205 has 16 divisors (see below), whose sum is σ = 52272000. Its totient is φ = 33708480.

The previous prime is 42844181. The next prime is 42844229. The reversal of 42844205 is 50244824.

It is an interprime number because it is at equal distance from previous prime (42844181) and next prime (42844229).

It is not a de Polignac number, because 42844205 - 26 = 42844141 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97376 + ... + 97814.

It is an arithmetic number, because the mean of its divisors is an integer number (3267000).

Almost surely, 242844205 is an apocalyptic number.

It is an amenable number.

42844205 is a deficient number, since it is larger than the sum of its proper divisors (9427795).

42844205 is a wasteful number, since it uses less digits than its factorization.

42844205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42844205 is about 6545.5484873309. The cubic root of 42844205 is about 349.9161840115.

The spelling of 42844205 in words is "forty-two million, eight hundred forty-four thousand, two hundred five".

Divisors: 1 5 131 149 439 655 745 2195 19519 57509 65411 97595 287545 327055 8568841 42844205