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490891373 = 7717011409
BaseRepresentation
bin11101010000100…
…110100001101101
31021012200212100222
4131100212201231
52001132010443
6120413301125
715110336120
oct3520464155
91235625328
10490891373
11232105a55
121184947a5
137a91618b
14492a43b7
152d169468
hex1d42686d

490891373 has 16 divisors (see below), whose sum is σ = 570136320. Its totient is φ = 413952000.

The previous prime is 490891361. The next prime is 490891393. The reversal of 490891373 is 373198094.

It is a happy number.

It is not a de Polignac number, because 490891373 - 26 = 490891309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490891393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347693 + ... + 349101.

It is an arithmetic number, because the mean of its divisors is an integer number (35633520).

Almost surely, 2490891373 is an apocalyptic number.

It is an amenable number.

490891373 is a deficient number, since it is larger than the sum of its proper divisors (79244947).

490891373 is a wasteful number, since it uses less digits than its factorization.

490891373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 490891373 is about 22156.0685366335. The cubic root of 490891373 is about 788.8512776539.

The spelling of 490891373 in words is "four hundred ninety million, eight hundred ninety-one thousand, three hundred seventy-three".

Divisors: 1 7 71 497 701 1409 4907 9863 49771 100039 348397 700273 987709 6913963 70127339 490891373