Search a number
-
+
42883829 is a prime number
BaseRepresentation
bin1010001110010…
…1101011110101
32222200201112222
42203211223311
541434240304
64131052125
71030335512
oct243455365
988621488
1042883829
112223028a
1212441045
138b66361
1459a4309
153b714be
hex28e5af5

42883829 has 2 divisors, whose sum is σ = 42883830. Its totient is φ = 42883828.

The previous prime is 42883811. The next prime is 42883873. The reversal of 42883829 is 92838824.

It is an a-pointer prime, because the next prime (42883873) can be obtained adding 42883829 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36881329 + 6002500 = 6073^2 + 2450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42883829 is a prime.

It is a Chen prime.

It is equal to p2597984 and since 42883829 and 2597984 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42883829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42883879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21441914 + 21441915.

It is an arithmetic number, because the mean of its divisors is an integer number (21441915).

Almost surely, 242883829 is an apocalyptic number.

It is an amenable number.

42883829 is a deficient number, since it is larger than the sum of its proper divisors (1).

42883829 is an equidigital number, since it uses as much as digits as its factorization.

42883829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 42883829 is about 6548.5745777230. The cubic root of 42883829 is about 350.0240228409.

The spelling of 42883829 in words is "forty-two million, eight hundred eighty-three thousand, eight hundred twenty-nine".