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490010080 = 2557437509
BaseRepresentation
bin11101001101001…
…111010111100000
31021011001002110111
4131031033113200
52000420310310
6120342341104
715100005550
oct3515172740
91234032414
10490010080
1123166390a
1211812a794
137a697cc1
1449115160
152d04328a
hex1d34f5e0

490010080 has 48 divisors (see below), whose sum is σ = 1323030240. Its totient is φ = 168003072.

The previous prime is 490010077. The next prime is 490010093. The reversal of 490010080 is 80010094.

It is a congruent 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, 217635 + ... + 219874.

It is an arithmetic number, because the mean of its divisors is an integer number (27563130).

Almost surely, 2490010080 is an apocalyptic number.

490010080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490010080 is an abundant number, since it is smaller than the sum of its proper divisors (833020160).

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

490010080 is a wasteful number, since it uses less digits than its factorization.

490010080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437531 (or 437523 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 490010080 is about 22136.1713039993. The cubic root of 490010080 is about 788.3789222633.

The spelling of 490010080 in words is "four hundred ninety million, ten thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 437509 875018 1750036 2187545 3062563 3500072 4375090 6125126 7000144 8750180 12250252 14000288 15312815 17500360 24500504 30625630 35000720 49001008 61251260 70001440 98002016 122502520 245005040 490010080