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494673440 = 25511032803
BaseRepresentation
bin11101011111000…
…001111000100000
31021110211000101112
4131133001320200
52003114022230
6121030322452
715154440422
oct3537017040
91243730345
10494673440
11234259528
121197b9428
137b63b7a1
14499aa812
152d664d95
hex1d7c1e20

494673440 has 48 divisors (see below), whose sum is σ = 1170142848. Its totient is φ = 197619456.

The previous prime is 494673437. The next prime is 494673499. The reversal of 494673440 is 44376494.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175079 + ... + 177881.

It is an arithmetic number, because the mean of its divisors is an integer number (24377976).

Almost surely, 2494673440 is an apocalyptic number.

494673440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494673440 is an abundant number, since it is smaller than the sum of its proper divisors (675469408).

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

494673440 is a wasteful number, since it uses less digits than its factorization.

494673440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 494673440 is about 22241.2553602534. The cubic root of 494673440 is about 790.8719955377.

The spelling of 494673440 in words is "four hundred ninety-four million, six hundred seventy-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1103 2206 2803 4412 5515 5606 8824 11030 11212 14015 17648 22060 22424 28030 35296 44120 44848 56060 88240 89696 112120 176480 224240 448480 3091709 6183418 12366836 15458545 24733672 30917090 49467344 61834180 98934688 123668360 247336720 494673440