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494820580 = 22524741029
BaseRepresentation
bin11101011111100…
…101110011100100
31021111002111020011
4131133211303210
52003133224310
6121033420004
715155622412
oct3537456344
91244074204
10494820580
1123434a031
1211986a604
137b690757
1449a082b2
152d69378a
hex1d7e5ce4

494820580 has 12 divisors (see below), whose sum is σ = 1039123260. Its totient is φ = 197928224.

The previous prime is 494820569. The next prime is 494820589. The reversal of 494820580 is 85028494.

It can be written as a sum of positive squares in 2 ways, for example, as 95140516 + 399680064 = 9754^2 + 19992^2 .

It is not an unprimeable number, because it can be changed into a prime (494820589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12370495 + ... + 12370534.

It is an arithmetic number, because the mean of its divisors is an integer number (86593605).

Almost surely, 2494820580 is an apocalyptic number.

It is an amenable number.

494820580 is an abundant number, since it is smaller than the sum of its proper divisors (544302680).

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

494820580 is a wasteful number, since it uses less digits than its factorization.

494820580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24741038 (or 24741036 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 494820580 is about 22244.5629311974. The cubic root of 494820580 is about 790.9504023950.

The spelling of 494820580 in words is "four hundred ninety-four million, eight hundred twenty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 24741029 49482058 98964116 123705145 247410290 494820580