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42765982 = 2717179689
BaseRepresentation
bin1010001100100…
…0111010011110
32222110201220021
42203020322132
541422002412
64124342354
71026335110
oct243107236
988421807
1042765982
112215a796
12123a49ba
138b2481c
1459733b0
153b4b607
hex28c8e9e

42765982 has 16 divisors (see below), whose sum is σ = 77626080. Its totient is φ = 17250048.

The previous prime is 42765977. The next prime is 42765997. The reversal of 42765982 is 28956724.

42765982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 89607 + ... + 90082.

It is an arithmetic number, because the mean of its divisors is an integer number (4851630).

Almost surely, 242765982 is an apocalyptic number.

42765982 is a deficient number, since it is larger than the sum of its proper divisors (34860098).

42765982 is a wasteful number, since it uses less digits than its factorization.

42765982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179715.

The product of its digits is 241920, while the sum is 43.

The square root of 42765982 is about 6539.5704751918. The cubic root of 42765982 is about 349.7031005972.

The spelling of 42765982 in words is "forty-two million, seven hundred sixty-five thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 17 34 119 238 179689 359378 1257823 2515646 3054713 6109426 21382991 42765982