Search a number
-
+
489283945 = 5234254643
BaseRepresentation
bin11101001010011…
…110000101101001
31021002200012101121
4131022132011221
52000224041240
6120315015241
715060562543
oct3512360551
91232605347
10489283945
112312082a7
12117a3a521
137a4a2637
1448da6693
152ce4d04a
hex1d29e169

489283945 has 8 divisors (see below), whose sum is σ = 612668736. Its totient is φ = 374408496.

The previous prime is 489283913. The next prime is 489283973. The reversal of 489283945 is 549382984.

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 489283945 - 25 = 489283913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489283892 and 489283901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127207 + ... + 2127436.

It is an arithmetic number, because the mean of its divisors is an integer number (76583592).

Almost surely, 2489283945 is an apocalyptic number.

It is an amenable number.

489283945 is a deficient number, since it is larger than the sum of its proper divisors (123384791).

489283945 is a wasteful number, since it uses less digits than its factorization.

489283945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254671.

The product of its digits is 2488320, while the sum is 52.

The square root of 489283945 is about 22119.7636741444. The cubic root of 489283945 is about 787.9893027012.

The spelling of 489283945 in words is "four hundred eighty-nine million, two hundred eighty-three thousand, nine hundred forty-five".

Divisors: 1 5 23 115 4254643 21273215 97856789 489283945