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990286862 = 2550389977
BaseRepresentation
bin111011000001101…
…001010000001110
32120000101210012012
4323001221100032
54012003134422
6242133141222
733353204465
oct7301512016
92500353165
10990286862
11468a9a1a4
1223778a812
1312a219076
149573d9dc
155be134e2
hex3b06940e

990286862 has 8 divisors (see below), whose sum is σ = 1485716736. Its totient is φ = 495047952.

The previous prime is 990286837. The next prime is 990286877. The reversal of 990286862 is 268682099.

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

It is a self number, because there is not a number n which added to its sum of digits gives 990286862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33983 + ... + 55994.

It is an arithmetic number, because the mean of its divisors is an integer number (185714592).

Almost surely, 2990286862 is an apocalyptic number.

990286862 is a deficient number, since it is larger than the sum of its proper divisors (495429874).

990286862 is a wasteful number, since it uses less digits than its factorization.

990286862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95482.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 990286862 is about 31468.8236513537. The cubic root of 990286862 is about 996.7517476140.

The spelling of 990286862 in words is "nine hundred ninety million, two hundred eighty-six thousand, eight hundred sixty-two".

Divisors: 1 2 5503 11006 89977 179954 495143431 990286862