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489205924 = 22110592
BaseRepresentation
bin11101001010001…
…011000010100100
31021002112020100221
4131022023002210
52000214042144
6120313214124
715060116224
oct3512130244
91232466327
10489205924
11231164719
12117a01344
137a475c7c
1448d86084
152ce34d84
hex1d28b0a4

489205924 has 9 divisors (see below), whose sum is σ = 856187787. Its totient is φ = 244580844.

The previous prime is 489205921. The next prime is 489205931. The reversal of 489205924 is 429502984.

It is a happy number.

The square root of 489205924 is 22118.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489205921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38707 + ... + 49765.

Almost surely, 2489205924 is an apocalyptic number.

489205924 is the 22118-th square number.

It is an amenable number.

489205924 is a deficient number, since it is larger than the sum of its proper divisors (366981863).

489205924 is an frugal number, since it uses more digits than its factorization.

489205924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122 (or 11061 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The cubic root of 489205924 is about 787.9474163336.

The spelling of 489205924 in words is "four hundred eighty-nine million, two hundred five thousand, nine hundred twenty-four".

Divisors: 1 2 4 11059 22118 44236 122301481 244602962 489205924