Search a number
-
+
402200969 is a prime number
BaseRepresentation
bin10111111110010…
…001100110001001
31001000210221000012
4113332101212021
51310430412334
6103524321305
712652436402
oct2776214611
91030727005
10402200969
111970395a5
12b2843235
1365432351
143b5b89a9
152549a9ce
hex17f91989

402200969 has 2 divisors, whose sum is σ = 402200970. Its totient is φ = 402200968.

The previous prime is 402200959. The next prime is 402200993. The reversal of 402200969 is 969002204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347263225 + 54937744 = 18635^2 + 7412^2 .

It is a cyclic number.

It is not a de Polignac number, because 402200969 - 28 = 402200713 is a prime.

It is a super-2 number, since 2×4022009692 = 323531238929077922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402200959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100484 + 201100485.

It is an arithmetic number, because the mean of its divisors is an integer number (201100485).

Almost surely, 2402200969 is an apocalyptic number.

It is an amenable number.

402200969 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200969 is an equidigital number, since it uses as much as digits as its factorization.

402200969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 402200969 is about 20054.9487408968. The cubic root of 402200969 is about 738.1552351282.

The spelling of 402200969 in words is "four hundred two million, two hundred thousand, nine hundred sixty-nine".