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42716943 = 331582109
BaseRepresentation
bin1010001011110…
…0111100001111
32222101020122000
42202330330033
541413420233
64123323343
71026042123
oct242747417
988336560
1042716943
1122126965
1212380553
138b083c9
14595d583
153b3bd13
hex28bcf0f

42716943 has 8 divisors (see below), whose sum is σ = 63284400. Its totient is φ = 28477944.

The previous prime is 42716939. The next prime is 42716951. The reversal of 42716943 is 34961724.

It is not a de Polignac number, because 42716943 - 22 = 42716939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42716898 and 42716907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42716923) 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, 791028 + ... + 791081.

It is an arithmetic number, because the mean of its divisors is an integer number (7910550).

Almost surely, 242716943 is an apocalyptic number.

42716943 is a deficient number, since it is larger than the sum of its proper divisors (20567457).

42716943 is a wasteful number, since it uses less digits than its factorization.

42716943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582118 (or 1582112 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 42716943 is about 6535.8199944613. The cubic root of 42716943 is about 349.5693833404.

The spelling of 42716943 in words is "forty-two million, seven hundred sixteen thousand, nine hundred forty-three".

Divisors: 1 3 9 27 1582109 4746327 14238981 42716943