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497389812 = 223231802137
BaseRepresentation
bin11101101001011…
…001000011110100
31021122221000112220
4131221121003310
52004312433222
6121204442340
715216513033
oct3551310364
91248830486
10497389812
11235844367
1211a6a93b0
137c07ccca
144a0b671a
152d9eeb5c
hex1da590f4

497389812 has 24 divisors (see below), whose sum is σ = 1211036736. Its totient is φ = 158587968.

The previous prime is 497389799. The next prime is 497389813. The reversal of 497389812 is 218983794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497389813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900793 + ... + 901344.

It is an arithmetic number, because the mean of its divisors is an integer number (50459864).

Almost surely, 2497389812 is an apocalyptic number.

It is an amenable number.

497389812 is an abundant number, since it is smaller than the sum of its proper divisors (713646924).

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

497389812 is a wasteful number, since it uses less digits than its factorization.

497389812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802167 (or 1802165 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 497389812 is about 22302.2378249359. The cubic root of 497389812 is about 792.3169772433.

The spelling of 497389812 in words is "four hundred ninety-seven million, three hundred eighty-nine thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1802137 3604274 5406411 7208548 10812822 21625644 41449151 82898302 124347453 165796604 248694906 497389812