Search a number
-
+
494020243 = 2347457003
BaseRepresentation
bin11101011100100…
…010011010010011
31021102120211101001
4131130202122103
52002432121433
6121004322431
715146050153
oct3534423223
91242524331
10494020243
112339527a2
12119543417
137b470392
144987a763
152d58657d
hex1d722693

494020243 has 8 divisors (see below), whose sum is σ = 526468608. Its totient is φ = 462486024.

The previous prime is 494020229. The next prime is 494020253. The reversal of 494020243 is 342020494.

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

It is a de Polignac number, because none of the positive numbers 2k-494020243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227421 + ... + 229582.

It is an arithmetic number, because the mean of its divisors is an integer number (65808576).

Almost surely, 2494020243 is an apocalyptic number.

494020243 is a deficient number, since it is larger than the sum of its proper divisors (32448365).

494020243 is a wasteful number, since it uses less digits than its factorization.

494020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457073.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 494020243 is about 22226.5661540419. The cubic root of 494020243 is about 790.5237369889.

The spelling of 494020243 in words is "four hundred ninety-four million, twenty thousand, two hundred forty-three".

Divisors: 1 23 47 1081 457003 10511069 21479141 494020243