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42040862 = 221020431
BaseRepresentation
bin1010000001011…
…1111000011110
32221002220012222
42200113320132
541230301422
64101025342
71020225053
oct240277036
987086188
1042040862
1121804a16
12120b5252
13892c766
14582502a
153a56842
hex2817e1e

42040862 has 4 divisors (see below), whose sum is σ = 63061296. Its totient is φ = 21020430.

The previous prime is 42040853. The next prime is 42040879. The reversal of 42040862 is 26804024.

42040862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 10510214 + ... + 10510217.

It is an arithmetic number, because the mean of its divisors is an integer number (15765324).

Almost surely, 242040862 is an apocalyptic number.

42040862 is a deficient number, since it is larger than the sum of its proper divisors (21020434).

42040862 is a wasteful number, since it uses less digits than its factorization.

42040862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020433.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42040862 is about 6483.8925037357. The cubic root of 42040862 is about 347.7153560463.

Adding to 42040862 its reverse (26804024), we get a palindrome (68844886).

The spelling of 42040862 in words is "forty-two million, forty thousand, eight hundred sixty-two".

Divisors: 1 2 21020431 42040862