Search a number
-
+
42673801 is a prime number
BaseRepresentation
bin1010001011001…
…0011010001001
32222022001110011
42202302122021
541411030201
64122351521
71025502262
oct242623211
988261404
1042673801
11220a7505
121235b5a1
138ac1891
14594b969
153b2e151
hex28b2689

42673801 has 2 divisors, whose sum is σ = 42673802. Its totient is φ = 42673800.

The previous prime is 42673781. The next prime is 42673843. The reversal of 42673801 is 10837624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 423801 = 6500^2 + 651^2 .

It is a cyclic number.

It is not a de Polignac number, because 42673801 - 211 = 42671753 is a prime.

It is not a weakly prime, because it can be changed into another prime (42673861) 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, 21336900 + 21336901.

It is an arithmetic number, because the mean of its divisors is an integer number (21336901).

Almost surely, 242673801 is an apocalyptic number.

It is an amenable number.

42673801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42673801 is an equidigital number, since it uses as much as digits as its factorization.

42673801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42673801 is about 6532.5187332299. The cubic root of 42673801 is about 349.4516611035.

The spelling of 42673801 in words is "forty-two million, six hundred seventy-three thousand, eight hundred one".