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493962990 = 23531531143
BaseRepresentation
bin11101011100010…
…100011011101110
31021102110220211120
4131130110123232
52002423303430
6121003201410
715145421223
oct3534243356
91242426746
10493962990
11233913784
12119516266
137b4502c1
144986394a
152d574610
hex1d7146ee

493962990 has 32 divisors (see below), whose sum is σ = 1223755776. Its totient is φ = 127474080.

The previous prime is 493962983. The next prime is 493962991. The reversal of 493962990 is 99269394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493962991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 264642 + ... + 266501.

It is an arithmetic number, because the mean of its divisors is an integer number (38242368).

Almost surely, 2493962990 is an apocalyptic number.

493962990 is an abundant number, since it is smaller than the sum of its proper divisors (729792786).

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

493962990 is a wasteful number, since it uses less digits than its factorization.

493962990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531184.

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 493962990 is about 22225.2781759869. The cubic root of 493962990 is about 790.4931973469.

The spelling of 493962990 in words is "four hundred ninety-three million, nine hundred sixty-two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 531143 1062286 1593429 2655715 3186858 5311430 7967145 15934290 16465433 32930866 49396299 82327165 98792598 164654330 246981495 493962990