Search a number
-
+
454980947 = 13117919403
BaseRepresentation
bin11011000111100…
…111010101010011
31011201010102112012
4123013213111103
51412433342242
6113051453135
714163163031
oct3307472523
91151112465
10454980947
11213908a13
121084571ab
1373351bc5
14445d7551
1529e24282
hex1b1e7553

454980947 has 8 divisors (see below), whose sum is σ = 461039040. Its totient is φ = 448962280.

The previous prime is 454980943. The next prime is 454980961. The reversal of 454980947 is 749089454.

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

It is a cyclic number.

It is not a de Polignac number, because 454980947 - 22 = 454980943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454980895 and 454980904.

It is not an unprimeable number, because it can be changed into a prime (454980941) 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 7 ways as a sum of consecutive naturals, for example, 13748 + ... + 33150.

It is an arithmetic number, because the mean of its divisors is an integer number (57629880).

Almost surely, 2454980947 is an apocalyptic number.

454980947 is a deficient number, since it is larger than the sum of its proper divisors (6058093).

454980947 is a wasteful number, since it uses less digits than its factorization.

454980947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19713.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 454980947 is about 21330.2823938175. The cubic root of 454980947 is about 769.1264321457.

The spelling of 454980947 in words is "four hundred fifty-four million, nine hundred eighty thousand, nine hundred forty-seven".

Divisors: 1 131 179 19403 23449 2541793 3473137 454980947