Search a number
-
+
396049801 = 7228432
BaseRepresentation
bin10111100110110…
…011110110001001
31000121020102012011
4113212303312021
51302342043201
6103144415521
712546240100
oct2746636611
91017212164
10396049801
11193618094
12b07775a1
136408a5c4
143a857037
1524b83151
hex179b3d89

396049801 has 9 divisors (see below), whose sum is σ = 460873101. Its totient is φ = 339351852.

The previous prime is 396049783. The next prime is 396049807. The reversal of 396049801 is 108940693.

The square root of 396049801 is 19901.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 396049801 - 211 = 396047753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396049807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 137886 + ... + 140728.

Almost surely, 2396049801 is an apocalyptic number.

396049801 is the 19901-st square number.

396049801 is the 9951-st centered octagonal number.

It is an amenable number.

396049801 is a deficient number, since it is larger than the sum of its proper divisors (64823300).

396049801 is an frugal number, since it uses more digits than its factorization.

396049801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The cubic root of 396049801 is about 734.3728285579.

Multiplying 396049801 by its product of nonzero digits (46656), we get a square (18478099515456 = 42986162).

The spelling of 396049801 in words is "three hundred ninety-six million, forty-nine thousand, eight hundred one".

Divisors: 1 7 49 2843 19901 139307 8082649 56578543 396049801