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490783321 = 7202734589
BaseRepresentation
bin11101010000001…
…100001001011001
31021012111101011001
4131100030021121
52001120031241
6120411105001
715106406110
oct3520141131
91235441131
10490783321
11232041856
12118442161
137a8a8c42
1449276c77
152d147431
hex1d40c259

490783321 has 8 divisors (see below), whose sum is σ = 561188160. Its totient is φ = 420451728.

The previous prime is 490783297. The next prime is 490783333. The reversal of 490783321 is 123387094.

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 490783321 - 211 = 490781273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490783121) 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, 3106 + ... + 31483.

It is an arithmetic number, because the mean of its divisors is an integer number (70148520).

Almost surely, 2490783321 is an apocalyptic number.

It is an amenable number.

490783321 is a deficient number, since it is larger than the sum of its proper divisors (70404839).

490783321 is a wasteful number, since it uses less digits than its factorization.

490783321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36623.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 490783321 is about 22153.6299734378. The cubic root of 490783321 is about 788.7933943708.

The spelling of 490783321 in words is "four hundred ninety million, seven hundred eighty-three thousand, three hundred twenty-one".

Divisors: 1 7 2027 14189 34589 242123 70111903 490783321