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500149290 = 23516671643
BaseRepresentation
bin11101110011111…
…010110000101010
31021212010012211210
4131303322300222
52011014234130
6121343533550
715252125124
oct3563726052
91255105753
10500149290
11237359623
1211b5ba2b6
137c808034
144a5d4214
152dd975b0
hex1dcfac2a

500149290 has 16 divisors (see below), whose sum is σ = 1200358368. Its totient is φ = 133373136.

The previous prime is 500149259. The next prime is 500149301. The reversal of 500149290 is 92941005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 16671643 = 500149290 / (5 + 0 + 0 + 1 + 4 + 9 + 2 + 9 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8335792 + ... + 8335851.

It is an arithmetic number, because the mean of its divisors is an integer number (75022398).

Almost surely, 2500149290 is an apocalyptic number.

500149290 is an abundant number, since it is smaller than the sum of its proper divisors (700209078).

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

500149290 is a wasteful number, since it uses less digits than its factorization.

500149290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671653.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 500149290 is about 22364.0177517368. The cubic root of 500149290 is about 793.7795124910.

The spelling of 500149290 in words is "five hundred million, one hundred forty-nine thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 16671643 33343286 50014929 83358215 100029858 166716430 250074645 500149290