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42384782 = 21119101399
BaseRepresentation
bin1010000110101…
…1110110001110
32221202100222202
42201223312032
541322303112
64112241502
71023156536
oct241536616
987670882
1042384782
1121a1a350
1212240292
138a2016b
1458b44c6
153ac36c2
hex286bd8e

42384782 has 16 divisors (see below), whose sum is σ = 73008000. Its totient is φ = 18251640.

The previous prime is 42384743. The next prime is 42384841. The reversal of 42384782 is 28748324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50282 + ... + 51117.

It is an arithmetic number, because the mean of its divisors is an integer number (4563000).

Almost surely, 242384782 is an apocalyptic number.

42384782 is a deficient number, since it is larger than the sum of its proper divisors (30623218).

42384782 is a wasteful number, since it uses less digits than its factorization.

42384782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101431.

The product of its digits is 86016, while the sum is 38.

The square root of 42384782 is about 6510.3595906831. The cubic root of 42384782 is about 348.6609570425.

The spelling of 42384782 in words is "forty-two million, three hundred eighty-four thousand, seven hundred eighty-two".

Divisors: 1 2 11 19 22 38 209 418 101399 202798 1115389 1926581 2230778 3853162 21192391 42384782