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42060829 is a prime number
BaseRepresentation
bin1010000001110…
…0110000011101
32221010220121111
42200130300131
541231421304
64101302021
71020340216
oct240346035
987126544
1042060829
1121818a18
1212104911
138938885
14582c40d
153a5c704
hex281cc1d

42060829 has 2 divisors, whose sum is σ = 42060830. Its totient is φ = 42060828.

The previous prime is 42060797. The next prime is 42060833. The reversal of 42060829 is 92806024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41602500 + 458329 = 6450^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 42060829 - 25 = 42060797 is a prime.

It is a super-2 number, since 2×420608292 = 3538226672334482, 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 42060829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42060229) 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 as a sum of consecutive naturals, namely, 21030414 + 21030415.

It is an arithmetic number, because the mean of its divisors is an integer number (21030415).

Almost surely, 242060829 is an apocalyptic number.

It is an amenable number.

42060829 is a deficient number, since it is larger than the sum of its proper divisors (1).

42060829 is an equidigital number, since it uses as much as digits as its factorization.

42060829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 42060829 is about 6485.4320596241. The cubic root of 42060829 is about 347.7703956223.

The spelling of 42060829 in words is "forty-two million, sixty thousand, eight hundred twenty-nine".