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499042087 = 19178314731
BaseRepresentation
bin11101101111101…
…100011100100111
31021210000222001021
4131233230130213
52010223321322
6121304112011
715236534125
oct3557543447
91253028037
10499042087
11236772785
1211b165607
137c50b09b
144a3c6915
152dc294c7
hex1dbec727

499042087 has 8 divisors (see below), whose sum is σ = 525637760. Its totient is φ = 472479480.

The previous prime is 499042081. The next prime is 499042097. The reversal of 499042087 is 780240994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499042087 - 23 = 499042079 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 (499042081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26512 + ... + 41242.

It is an arithmetic number, because the mean of its divisors is an integer number (65704720).

Almost surely, 2499042087 is an apocalyptic number.

499042087 is a deficient number, since it is larger than the sum of its proper divisors (26595673).

499042087 is a wasteful number, since it uses less digits than its factorization.

499042087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16533.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 499042087 is about 22339.2499202637. The cubic root of 499042087 is about 793.1933379167.

The spelling of 499042087 in words is "four hundred ninety-nine million, forty-two thousand, eighty-seven".

Divisors: 1 19 1783 14731 33877 279889 26265373 499042087