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499990207 = 1573184651
BaseRepresentation
bin11101110011010…
…011111010111111
31021211211010121211
4131303103322333
52010444141312
6121340305251
715250563253
oct3563237277
91254733554
10499990207
11237260052
1211b542227
137c7807c2
144a592263
152dd653a7
hex1dcd3ebf

499990207 has 4 divisors (see below), whose sum is σ = 503175016. Its totient is φ = 496805400.

The previous prime is 499990199. The next prime is 499990219. The reversal of 499990207 is 702099994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499990207 - 23 = 499990199 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 (499990607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592169 + ... + 1592482.

It is an arithmetic number, because the mean of its divisors is an integer number (125793754).

Almost surely, 2499990207 is an apocalyptic number.

499990207 is a deficient number, since it is larger than the sum of its proper divisors (3184809).

499990207 is a wasteful number, since it uses less digits than its factorization.

499990207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184808.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 499990207 is about 22360.4607957886. The cubic root of 499990207 is about 793.6953441441.

The spelling of 499990207 in words is "four hundred ninety-nine million, nine hundred ninety thousand, two hundred seven".

Divisors: 1 157 3184651 499990207