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489397245 = 35227143729
BaseRepresentation
bin11101001010111…
…001101111111101
31021002212221210220
4131022321233331
52000241202440
6120321251553
715061544061
oct3512715775
91232787726
10489397245
11231285437
12117a93bb9
137a51208c
1448dd5aa1
152ce718d0
hex1d2b9bfd

489397245 has 16 divisors (see below), whose sum is σ = 786490560. Its totient is φ = 259860224.

The previous prime is 489397219. The next prime is 489397273. The reversal of 489397245 is 542793984.

It is a cyclic number.

It is not a de Polignac number, because 489397245 - 25 = 489397213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68460 + ... + 75269.

It is an arithmetic number, because the mean of its divisors is an integer number (49155660).

Almost surely, 2489397245 is an apocalyptic number.

It is an amenable number.

489397245 is a deficient number, since it is larger than the sum of its proper divisors (297093315).

489397245 is a wasteful number, since it uses less digits than its factorization.

489397245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143964.

The product of its digits is 2177280, while the sum is 51.

The square root of 489397245 is about 22122.3245840034. The cubic root of 489397245 is about 788.0501210314.

The spelling of 489397245 in words is "four hundred eighty-nine million, three hundred ninety-seven thousand, two hundred forty-five".

Divisors: 1 3 5 15 227 681 1135 3405 143729 431187 718645 2155935 32626483 97879449 163132415 489397245