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499245047 = 771320721
BaseRepresentation
bin11101110000011…
…101111111110111
31021210102021110022
4131300131333313
52010301320142
6121312315355
715241340630
oct3560357767
91253367408
10499245047
112368a1214
1211b242b5b
137c57c592
144a43a887
152dc696d2
hex1dc1dff7

499245047 has 4 divisors (see below), whose sum is σ = 570565776. Its totient is φ = 427924320.

The previous prime is 499245037. The next prime is 499245067. The reversal of 499245047 is 740542994.

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 499245047 - 210 = 499244023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499244989 and 499245007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499245037) 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, 35660354 + ... + 35660367.

It is an arithmetic number, because the mean of its divisors is an integer number (142641444).

Almost surely, 2499245047 is an apocalyptic number.

499245047 is a deficient number, since it is larger than the sum of its proper divisors (71320729).

499245047 is an equidigital number, since it uses as much as digits as its factorization.

499245047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71320728.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 499245047 is about 22343.7921356246. The cubic root of 499245047 is about 793.3008536986.

The spelling of 499245047 in words is "four hundred ninety-nine million, two hundred forty-five thousand, forty-seven".

Divisors: 1 7 71320721 499245047