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490356100 = 225213377197
BaseRepresentation
bin11101001110100…
…011110110000100
31021011200200010001
4131032203312010
52001012343400
6120354011044
715102646423
oct3516436604
91234620101
10490356100
1123187a883
12118276a84
137a789650
14491a52ba
152d0b0a6a
hex1d3a3d84

490356100 has 36 divisors (see below), whose sum is σ = 1145927524. Its totient is φ = 181054080.

The previous prime is 490356077. The next prime is 490356103. The reversal of 490356100 is 1653094.

It can be written as a sum of positive squares in 6 ways, for example, as 25867396 + 464488704 = 5086^2 + 21552^2 .

It is not an unprimeable number, because it can be changed into a prime (490356103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187299 + ... + 189898.

Almost surely, 2490356100 is an apocalyptic number.

It is an amenable number.

490356100 is an abundant number, since it is smaller than the sum of its proper divisors (655571424).

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

490356100 is a wasteful number, since it uses less digits than its factorization.

490356100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377224 (or 377217 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 490356100 is about 22143.9856394462. The cubic root of 490356100 is about 788.5644495274.

It can be divided in two parts, 490 and 356100, that added together give a triangular number (356590 = T844).

The spelling of 490356100 in words is "four hundred ninety million, three hundred fifty-six thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 377197 754394 1508788 1885985 3771970 4903561 7543940 9429925 9807122 18859850 19614244 24517805 37719700 49035610 98071220 122589025 245178050 490356100