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490781032 = 23759314779
BaseRepresentation
bin11101010000001…
…011100101101000
31021012111021000021
4131100023211220
52001114443112
6120411050224
715106366330
oct3520134550
91235437007
10490781032
11232040065
12118440974
137a8a7ba1
14492760c0
152d146907
hex1d40b968

490781032 has 32 divisors (see below), whose sum is σ = 1053518400. Its totient is φ = 209965824.

The previous prime is 490781021. The next prime is 490781047. The reversal of 490781032 is 230187094.

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 7 ways as a sum of consecutive naturals, for example, 25819 + ... + 40597.

It is an arithmetic number, because the mean of its divisors is an integer number (32922450).

Almost surely, 2490781032 is an apocalyptic number.

It is an amenable number.

490781032 is an abundant number, since it is smaller than the sum of its proper divisors (562737368).

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

490781032 is a wasteful number, since it uses less digits than its factorization.

490781032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385 (or 15381 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 490781032 is about 22153.5783114151. The cubic root of 490781032 is about 788.7921680653.

The spelling of 490781032 in words is "four hundred ninety million, seven hundred eighty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 593 1186 2372 4151 4744 8302 14779 16604 29558 33208 59116 103453 118232 206906 413812 827624 8763947 17527894 35055788 61347629 70111576 122695258 245390516 490781032