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494531740 = 225231075069
BaseRepresentation
bin11101011110011…
…111010010011100
31021110112211000101
4131132133102130
52003100003430
6121023310444
715153310333
oct3536372234
91243484011
10494531740
1123417201a
1211974b424
137b5bc141
1449970d1a
152d637dca
hex1d79f49c

494531740 has 24 divisors (see below), whose sum is σ = 1083670560. Its totient is φ = 189211968.

The previous prime is 494531699. The next prime is 494531749. The reversal of 494531740 is 47135494.

It is a self number, because there is not a number n which added to its sum of digits gives 494531740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494531749) 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, 537075 + ... + 537994.

It is an arithmetic number, because the mean of its divisors is an integer number (45152940).

Almost surely, 2494531740 is an apocalyptic number.

It is an amenable number.

494531740 is an abundant number, since it is smaller than the sum of its proper divisors (589138820).

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

494531740 is a wasteful number, since it uses less digits than its factorization.

494531740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075101 (or 1075099 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 494531740 is about 22238.0696104675. The cubic root of 494531740 is about 790.7964728090.

The spelling of 494531740 in words is "four hundred ninety-four million, five hundred thirty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1075069 2150138 4300276 5375345 10750690 21501380 24726587 49453174 98906348 123632935 247265870 494531740