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490873400 = 23522454367
BaseRepresentation
bin11101010000100…
…010001000111000
31021012122221201022
4131100202020320
52001130422100
6120413042012
715110232533
oct3520421070
91235587638
10490873400
112320a34a6
12118486308
137a90ac44
144929ba1a
152d163e85
hex1d422238

490873400 has 24 divisors (see below), whose sum is σ = 1141281120. Its totient is φ = 196349280.

The previous prime is 490873399. The next prime is 490873441. The reversal of 490873400 is 4378094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226984 + ... + 1227383.

It is an arithmetic number, because the mean of its divisors is an integer number (47553380).

Almost surely, 2490873400 is an apocalyptic number.

490873400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490873400 is an abundant number, since it is smaller than the sum of its proper divisors (650407720).

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

490873400 is a wasteful number, since it uses less digits than its factorization.

490873400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454383 (or 2454374 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 490873400 is about 22155.6629329840. The cubic root of 490873400 is about 788.8416501356.

The spelling of 490873400 in words is "four hundred ninety million, eight hundred seventy-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 2454367 4908734 9817468 12271835 19634936 24543670 49087340 61359175 98174680 122718350 245436700 490873400