Search a number
-
+
490367248 = 2474378279
BaseRepresentation
bin11101001110100…
…110100100010000
31021011201020101221
4131032212210100
52001013222443
6120354134424
715103024060
oct3516464420
91234636357
10490367248
11231888198
12118281414
137a791747
14491a93a0
152d0b3eed
hex1d3a6910

490367248 has 20 divisors (see below), whose sum is σ = 1085813440. Its totient is φ = 210157344.

The previous prime is 490367173. The next prime is 490367249. The reversal of 490367248 is 842763094.

It is a super-3 number, since 3×4903672483 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (490367249) by changing a digit.

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, 2189028 + ... + 2189251.

It is an arithmetic number, because the mean of its divisors is an integer number (54290672).

Almost surely, 2490367248 is an apocalyptic number.

It is an amenable number.

490367248 is an abundant number, since it is smaller than the sum of its proper divisors (595446192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490367248 is a wasteful number, since it uses less digits than its factorization.

490367248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378294 (or 4378288 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 490367248 is about 22144.2373542193. The cubic root of 490367248 is about 788.5704253545.

The spelling of 490367248 in words is "four hundred ninety million, three hundred sixty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 4378279 8756558 17513116 30647953 35026232 61295906 70052464 122591812 245183624 490367248