Search a number
-
+
454973421 = 3721665401
BaseRepresentation
bin11011000111100…
…101011111101101
31011201010001012110
4123013211133231
51412433122141
6113051354233
714163132060
oct3307453755
91151101173
10454973421
112139032a1
12108452979
137334b656
14445d48d7
1529e21e16
hex1b1e57ed

454973421 has 8 divisors (see below), whose sum is σ = 693292864. Its totient is φ = 259984800.

The previous prime is 454973413. The next prime is 454973443. The reversal of 454973421 is 124379454.

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

It is not a de Polignac number, because 454973421 - 23 = 454973413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454973421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454973461) 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, 10832680 + ... + 10832721.

It is an arithmetic number, because the mean of its divisors is an integer number (86661608).

Almost surely, 2454973421 is an apocalyptic number.

It is an amenable number.

454973421 is a deficient number, since it is larger than the sum of its proper divisors (238319443).

454973421 is a wasteful number, since it uses less digits than its factorization.

454973421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21665411.

The product of its digits is 120960, while the sum is 39.

The square root of 454973421 is about 21330.1059772332. The cubic root of 454973421 is about 769.1221913253.

The spelling of 454973421 in words is "four hundred fifty-four million, nine hundred seventy-three thousand, four hundred twenty-one".

Divisors: 1 3 7 21 21665401 64996203 151657807 454973421