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42044043 = 317824393
BaseRepresentation
bin1010000001100…
…0101010001011
32221010001120210
42200120222023
541230402133
64101052203
71020240246
oct240305213
987101523
1042044043
1121807348
12120b7063
138931042
14582625d
153a57763
hex2818a8b

42044043 has 8 divisors (see below), whose sum is σ = 59356368. Its totient is φ = 26380544.

The previous prime is 42043993. The next prime is 42044047. The reversal of 42044043 is 34044024.

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 42044043 - 29 = 42043531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42044047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412146 + ... + 412247.

It is an arithmetic number, because the mean of its divisors is an integer number (7419546).

Almost surely, 242044043 is an apocalyptic number.

42044043 is a deficient number, since it is larger than the sum of its proper divisors (17312325).

42044043 is a wasteful number, since it uses less digits than its factorization.

42044043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824413.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42044043 is about 6484.1377992760. The cubic root of 42044043 is about 347.7241257258.

Adding to 42044043 its reverse (34044024), we get a palindrome (76088067).

The spelling of 42044043 in words is "forty-two million, forty-four thousand, forty-three".

Divisors: 1 3 17 51 824393 2473179 14014681 42044043