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490305937 = 11271164477
BaseRepresentation
bin11101001110010…
…111100110010001
31021011121010022011
4131032113212101
52001004242222
6120352542521
715102350242
oct3516274621
91234533264
10490305937
11231846120
12118251a41
137a76c874
1449190cc9
152d0a0c77
hex1d397991

490305937 has 8 divisors (see below), whose sum is σ = 536856192. Its totient is φ = 444085200.

The previous prime is 490305931. The next prime is 490305947. The reversal of 490305937 is 739503094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490305937 - 223 = 481917329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490305937.

It is not an unprimeable number, because it can be changed into a prime (490305931) 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, 79258 + ... + 85219.

It is an arithmetic number, because the mean of its divisors is an integer number (67107024).

Almost surely, 2490305937 is an apocalyptic number.

It is an amenable number.

490305937 is a deficient number, since it is larger than the sum of its proper divisors (46550255).

490305937 is a wasteful number, since it uses less digits than its factorization.

490305937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164759.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 490305937 is about 22142.8529552991. The cubic root of 490305937 is about 788.5375587927.

The spelling of 490305937 in words is "four hundred ninety million, three hundred five thousand, nine hundred thirty-seven".

Divisors: 1 11 271 2981 164477 1809247 44573267 490305937