Search a number
-
+
406798197 = 31310430723
BaseRepresentation
bin11000001111110…
…011111101110101
31001100110111012220
4120033303331311
51313120020242
6104211032553
713036504401
oct3017637565
91040414186
10406798197
11199699563
12b429b759
13663819c0
143c054101
1525aa7bec
hex183f3f75

406798197 has 8 divisors (see below), whose sum is σ = 584120544. Its totient is φ = 250337328.

The previous prime is 406798181. The next prime is 406798199. The reversal of 406798197 is 791897604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406798197 - 24 = 406798181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406798199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215323 + ... + 5215400.

It is an arithmetic number, because the mean of its divisors is an integer number (73015068).

Almost surely, 2406798197 is an apocalyptic number.

It is an amenable number.

406798197 is a deficient number, since it is larger than the sum of its proper divisors (177322347).

406798197 is a wasteful number, since it uses less digits than its factorization.

406798197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430739.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 406798197 is about 20169.2388800371. The cubic root of 406798197 is about 740.9570020271.

The spelling of 406798197 in words is "four hundred six million, seven hundred ninety-eight thousand, one hundred ninety-seven".

Divisors: 1 3 13 39 10430723 31292169 135599399 406798197