Search a number
-
+
490785452 = 22671831289
BaseRepresentation
bin11101010000001…
…100101010101100
31021012111111001222
4131100030222230
52001120113302
6120411122512
715106415243
oct3520145254
91235444058
10490785452
11232043413
12118443438
137a8a9bc1
144927795a
152d147da2
hex1d40caac

490785452 has 12 divisors (see below), whose sum is σ = 871694040. Its totient is φ = 241730016.

The previous prime is 490785439. The next prime is 490785469. The reversal of 490785452 is 254587094.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915377 + ... + 915912.

It is an arithmetic number, because the mean of its divisors is an integer number (72641170).

Almost surely, 2490785452 is an apocalyptic number.

It is an amenable number.

490785452 is a deficient number, since it is larger than the sum of its proper divisors (380908588).

490785452 is a wasteful number, since it uses less digits than its factorization.

490785452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831360 (or 1831358 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 490785452 is about 22153.6780693410. The cubic root of 490785452 is about 788.7945360262.

The spelling of 490785452 in words is "four hundred ninety million, seven hundred eighty-five thousand, four hundred fifty-two".

Divisors: 1 2 4 67 134 268 1831289 3662578 7325156 122696363 245392726 490785452