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490265400 = 23352899181
BaseRepresentation
bin11101001110001…
…101101100111000
31021011112001200210
4131032031230320
52001001443100
6120352031120
715102121122
oct3516155470
91234461623
10490265400
11231818719
121182324a0
137a757291
1449180212
152d093c50
hex1d38db38

490265400 has 96 divisors (see below), whose sum is σ = 1537066800. Its totient is φ = 129254400.

The previous prime is 490265383. The next prime is 490265411. The reversal of 490265400 is 4562094.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48810 + ... + 57990.

Almost surely, 2490265400 is an apocalyptic number.

490265400 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 490265400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768533400).

490265400 is an abundant number, since it is smaller than the sum of its proper divisors (1046801400).

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

490265400 is a wasteful number, since it uses less digits than its factorization.

490265400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289 (or 9280 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 490265400 is about 22141.9375845927. The cubic root of 490265400 is about 788.5158269000.

The spelling of 490265400 in words is "four hundred ninety million, two hundred sixty-five thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 89 100 120 150 178 200 267 300 356 445 534 600 712 890 1068 1335 1780 2136 2225 2670 3560 4450 5340 6675 8900 9181 10680 13350 17800 18362 26700 27543 36724 45905 53400 55086 73448 91810 110172 137715 183620 220344 229525 275430 367240 459050 550860 688575 817109 918100 1101720 1377150 1634218 1836200 2451327 2754300 3268436 4085545 4902654 5508600 6536872 8171090 9805308 12256635 16342180 19610616 20427725 24513270 32684360 40855450 49026540 61283175 81710900 98053080 122566350 163421800 245132700 490265400