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490266984 = 23331658961
BaseRepresentation
bin11101001110001…
…110000101101000
31021011112010212110
4131032032011220
52001002020414
6120352042320
715102125544
oct3516160550
91234463773
10490266984
11231819929
121182333a0
137a757c0c
1449180a24
152d094459
hex1d38e168

490266984 has 32 divisors (see below), whose sum is σ = 1265207040. Its totient is φ = 158150400.

The previous prime is 490266977. The next prime is 490266989. The reversal of 490266984 is 489662094.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (490266989) 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, 328737 + ... + 330224.

It is an arithmetic number, because the mean of its divisors is an integer number (39537720).

Almost surely, 2490266984 is an apocalyptic number.

It is an amenable number.

490266984 is an abundant number, since it is smaller than the sum of its proper divisors (774940056).

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

490266984 is a wasteful number, since it uses less digits than its factorization.

490266984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659001 (or 658997 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 490266984 is about 22141.9733537912. The cubic root of 490266984 is about 788.5166761052.

The spelling of 490266984 in words is "four hundred ninety million, two hundred sixty-six thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 658961 1317922 1976883 2635844 3953766 5271688 7907532 15815064 20427791 40855582 61283373 81711164 122566746 163422328 245133492 490266984