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42153043 = 234144701
BaseRepresentation
bin1010000011001…
…1010001010011
32221022121002211
42200303101103
541242344133
64103252551
71021203112
oct240632123
987277084
1042153043
1121881229
121214a157
13896b83a
145853c79
153a79bcd
hex2833453

42153043 has 8 divisors (see below), whose sum is σ = 45059616. Its totient is φ = 39336000.

The previous prime is 42153019. The next prime is 42153071. The reversal of 42153043 is 34035124.

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 42153043 - 25 = 42153011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42154043) 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, 21408 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (5632452).

Almost surely, 242153043 is an apocalyptic number.

42153043 is a deficient number, since it is larger than the sum of its proper divisors (2906573).

42153043 is a wasteful number, since it uses less digits than its factorization.

42153043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44765.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42153043 is about 6492.5374854520. The cubic root of 42153043 is about 348.0243602756.

Adding to 42153043 its reverse (34035124), we get a palindrome (76188167).

The spelling of 42153043 in words is "forty-two million, one hundred fifty-three thousand, forty-three".

Divisors: 1 23 41 943 44701 1028123 1832741 42153043