Search a number
-
+
42880493 is a prime number
BaseRepresentation
bin1010001110010…
…0110111101101
32222200112222102
42203210313231
541434133433
64131024445
71030323005
oct243446755
988615872
1042880493
1122228827
121243b125
138b64996
1459a3005
153b704e8
hex28e4ded

42880493 has 2 divisors, whose sum is σ = 42880494. Its totient is φ = 42880492.

The previous prime is 42880463. The next prime is 42880501. The reversal of 42880493 is 39408824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37920964 + 4959529 = 6158^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 42880493 - 214 = 42864109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42880463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21440246 + 21440247.

It is an arithmetic number, because the mean of its divisors is an integer number (21440247).

Almost surely, 242880493 is an apocalyptic number.

It is an amenable number.

42880493 is a deficient number, since it is larger than the sum of its proper divisors (1).

42880493 is an equidigital number, since it uses as much as digits as its factorization.

42880493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 42880493 is about 6548.3198608498. The cubic root of 42880493 is about 350.0149463005.

The spelling of 42880493 in words is "forty-two million, eight hundred eighty thousand, four hundred ninety-three".