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42774753 = 372036893
BaseRepresentation
bin1010001100101…
…1000011100001
32222111011221010
42203023003201
541422243003
64124451133
71026402510
oct243130341
988434833
1042774753
112216633a
12123a9aa9
138b28808
145976677
153b4e003
hex28cb0e1

42774753 has 8 divisors (see below), whose sum is σ = 65180608. Its totient is φ = 24442704.

The previous prime is 42774727. The next prime is 42774773. The reversal of 42774753 is 35747724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42774753 - 26 = 42774689 is a prime.

It is a super-2 number, since 2×427747532 = 3659358988422018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42774713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018426 + ... + 1018467.

It is an arithmetic number, because the mean of its divisors is an integer number (8147576).

Almost surely, 242774753 is an apocalyptic number.

It is an amenable number.

42774753 is a deficient number, since it is larger than the sum of its proper divisors (22405855).

42774753 is a wasteful number, since it uses less digits than its factorization.

42774753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036903.

The product of its digits is 164640, while the sum is 39.

The square root of 42774753 is about 6540.2410506036. The cubic root of 42774753 is about 349.7270061726.

The spelling of 42774753 in words is "forty-two million, seven hundred seventy-four thousand, seven hundred fifty-three".

Divisors: 1 3 7 21 2036893 6110679 14258251 42774753