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42980671 is a prime number
BaseRepresentation
bin1010001111110…
…1010100111111
32222212122101201
42203331110333
542000340141
64133120331
71031221036
oct243752477
988778351
1042980671
1122297018
12124890a7
138b9b466
1459cb71d
153b90031
hex28fd53f

42980671 has 2 divisors, whose sum is σ = 42980672. Its totient is φ = 42980670.

The previous prime is 42980659. The next prime is 42980683. The reversal of 42980671 is 17608924.

It is a balanced prime because it is at equal distance from previous prime (42980659) and next prime (42980683).

It is a cyclic number.

It is not a de Polignac number, because 42980671 - 29 = 42980159 is a prime.

It is a super-2 number, since 2×429806712 = 3694676159220482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42980671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42980621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21490335 + 21490336.

It is an arithmetic number, because the mean of its divisors is an integer number (21490336).

Almost surely, 242980671 is an apocalyptic number.

42980671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42980671 is an equidigital number, since it uses as much as digits as its factorization.

42980671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 42980671 is about 6555.9645362067. The cubic root of 42980671 is about 350.2873042323.

The spelling of 42980671 in words is "forty-two million, nine hundred eighty thousand, six hundred seventy-one".