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490740790 = 25197249107
BaseRepresentation
bin11101010000000…
…001110000110110
31021012102012210211
4131100001300312
52001112201130
6120410140034
715106141111
oct3520016066
91235365724
10490740790
11232012901
1211842161a
137a892787
1449265578
152d139a2a
hex1d401c36

490740790 has 16 divisors (see below), whose sum is σ = 887820912. Its totient is φ = 195299104.

The previous prime is 490740779. The next prime is 490740793. The reversal of 490740790 is 97047094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490740793) 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, 122584 + ... + 126523.

It is an arithmetic number, because the mean of its divisors is an integer number (55488807).

Almost surely, 2490740790 is an apocalyptic number.

490740790 is a deficient number, since it is larger than the sum of its proper divisors (397080122).

490740790 is a wasteful number, since it uses less digits than its factorization.

490740790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249311.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 490740790 is about 22152.6700422319. The cubic root of 490740790 is about 788.7706082521.

The spelling of 490740790 in words is "four hundred ninety million, seven hundred forty thousand, seven hundred ninety".

Divisors: 1 2 5 10 197 394 985 1970 249107 498214 1245535 2491070 49074079 98148158 245370395 490740790