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42913773 = 337474831
BaseRepresentation
bin1010001110110…
…0111111101101
32222202020122000
42203230333231
541441220043
64131442513
71030522020
oct243547755
988666560
1042913773
1122250831
1212456439
138b76b86
1459b11b7
153b7a2d3
hex28ecfed

42913773 has 32 divisors (see below), whose sum is σ = 74219520. Its totient is φ = 23995440.

The previous prime is 42913771. The next prime is 42913777. The reversal of 42913773 is 37731924.

It is not a de Polignac number, because 42913773 - 21 = 42913771 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 6468 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (2319360).

Almost surely, 242913773 is an apocalyptic number.

It is an amenable number.

42913773 is a deficient number, since it is larger than the sum of its proper divisors (31305747).

42913773 is a wasteful number, since it uses less digits than its factorization.

42913773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4888 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 42913773 is about 6550.8604778304. The cubic root of 42913773 is about 350.1054729743.

The spelling of 42913773 in words is "forty-two million, nine hundred thirteen thousand, seven hundred seventy-three".

Divisors: 1 3 7 9 21 27 47 63 141 189 329 423 987 1269 2961 4831 8883 14493 33817 43479 101451 130437 227057 304353 681171 913059 1589399 2043513 4768197 6130539 14304591 42913773