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490557704 = 237133591877
BaseRepresentation
bin11101001111010…
…101000100001000
31021012001220122212
4131033111010020
52001040321304
6120402204252
715104446250
oct3517250410
91235056585
10490557704
112319a829a
12118353688
137a82a340
1449218960
152d10066e
hex1d3d5108

490557704 has 64 divisors (see below), whose sum is σ = 1135814400. Its totient is φ = 193423104.

The previous prime is 490557677. The next prime is 490557709. The reversal of 490557704 is 407755094.

It is not an unprimeable number, because it can be changed into a prime (490557709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 260414 + ... + 262290.

It is an arithmetic number, because the mean of its divisors is an integer number (17747100).

Almost surely, 2490557704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490557704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567907200).

490557704 is an abundant number, since it is smaller than the sum of its proper divisors (645256696).

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

490557704 is a wasteful number, since it uses less digits than its factorization.

490557704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 490557704 is about 22148.5372880468. The cubic root of 490557704 is about 788.6725043098.

The spelling of 490557704 in words is "four hundred ninety million, five hundred fifty-seven thousand, seven hundred four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 359 364 718 728 1436 1877 2513 2872 3754 4667 5026 7508 9334 10052 13139 15016 18668 20104 24401 26278 32669 37336 48802 52556 65338 97604 105112 130676 170807 195208 261352 341614 673843 683228 1347686 1366456 2695372 4716901 5390744 8759959 9433802 17519918 18867604 35039836 37735208 61319713 70079672 122639426 245278852 490557704