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42913774 = 221456887
BaseRepresentation
bin1010001110110…
…0111111101110
32222202020122001
42203230333232
541441220044
64131442514
71030522021
oct243547756
988666561
1042913774
1122250832
121245643a
138b76b87
1459b11b8
153b7a2d4
hex28ecfee

42913774 has 4 divisors (see below), whose sum is σ = 64370664. Its totient is φ = 21456886.

The previous prime is 42913771. The next prime is 42913777. The reversal of 42913774 is 47731924.

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

It is an interprime number because it is at equal distance from previous prime (42913771) and next prime (42913777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42913771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10728442 + ... + 10728445.

It is an arithmetic number, because the mean of its divisors is an integer number (16092666).

Almost surely, 242913774 is an apocalyptic number.

42913774 is a deficient number, since it is larger than the sum of its proper divisors (21456890).

42913774 is a wasteful number, since it uses less digits than its factorization.

42913774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21456889.

The product of its digits is 42336, while the sum is 37.

The square root of 42913774 is about 6550.8605541562. The cubic root of 42913774 is about 350.1054756937.

The spelling of 42913774 in words is "forty-two million, nine hundred thirteen thousand, seven hundred seventy-four".

Divisors: 1 2 21456887 42913774