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490170000 = 2435416339
BaseRepresentation
bin11101001101110…
…110011010010000
31021011100012211110
4131031312122100
52000440420000
6120350013320
715101243025
oct3515663220
91234305743
10490170000
11231762a81
121181a7240
137a722a28
144915754c
152d075850
hex1d376690

490170000 has 100 divisors (see below), whose sum is σ = 1582430960. Its totient is φ = 130704000.

The previous prime is 490169989. The next prime is 490170011. The reversal of 490170000 is 71094.

It is an interprime number because it is at equal distance from previous prime (490169989) and next prime (490170011).

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21831 + ... + 38169.

Almost surely, 2490170000 is an apocalyptic number.

490170000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490170000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791215480).

490170000 is an abundant number, since it is smaller than the sum of its proper divisors (1092260960).

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

490170000 is a wasteful number, since it uses less digits than its factorization.

490170000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16370 (or 16349 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 490170000 is about 22139.7831967705. The cubic root of 490170000 is about 788.4646782163.

The spelling of 490170000 in words is "four hundred ninety million, one hundred seventy thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 16339 30000 32678 49017 65356 81695 98034 130712 163390 196068 245085 261424 326780 392136 408475 490170 653560 784272 816950 980340 1225425 1307120 1633900 1960680 2042375 2450850 3267800 3921360 4084750 4901700 6127125 6535600 8169500 9803400 10211875 12254250 16339000 19606800 20423750 24508500 30635625 32678000 40847500 49017000 61271250 81695000 98034000 122542500 163390000 245085000 490170000