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42553043 = 1313923549
BaseRepresentation
bin1010001001010…
…0111011010011
32222001220210122
42202110323103
541343144133
64120020455
71024460231
oct242247323
988056718
1042553043
1122024805
121230172b
138a7b920
145919951
153b08498
hex2894ed3

42553043 has 8 divisors (see below), whose sum is σ = 46158000. Its totient is φ = 38995488.

The previous prime is 42553037. The next prime is 42553073. The reversal of 42553043 is 34035524.

42553043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42553043 - 28 = 42552787 is a prime.

It is a super-2 number, since 2×425530432 = 3621522937119698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42553073) by changing a digit.

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, 9968 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (5769750).

Almost surely, 242553043 is an apocalyptic number.

42553043 is a deficient number, since it is larger than the sum of its proper divisors (3604957).

42553043 is a wasteful number, since it uses less digits than its factorization.

42553043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23701.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 42553043 is about 6523.2693490304. The cubic root of 42553043 is about 349.1217244658.

Adding to 42553043 its reverse (34035524), we get a palindrome (76588567).

The spelling of 42553043 in words is "forty-two million, five hundred fifty-three thousand, forty-three".

Divisors: 1 13 139 1807 23549 306137 3273311 42553043