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990207714 = 23181191129
BaseRepresentation
bin111011000001010…
…101111011100010
32120000020202121210
4323001111323202
54011443121324
6242131330550
733352424646
oct7301257342
92500222553
10990207714
11468a45791
12237750a56
1312a1bc032
149571cc26
155bde9d29
hex3b055ee2

990207714 has 16 divisors (see below), whose sum is σ = 1981530720. Its totient is φ = 329883360.

The previous prime is 990207709. The next prime is 990207731. The reversal of 990207714 is 417702099.

It is a super-2 number, since 2×9902077142 = 1961022633730211592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34699 + ... + 56430.

It is an arithmetic number, because the mean of its divisors is an integer number (123845670).

Almost surely, 2990207714 is an apocalyptic number.

990207714 is an abundant number, since it is smaller than the sum of its proper divisors (991323006).

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

990207714 is a wasteful number, since it uses less digits than its factorization.

990207714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92945.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 990207714 is about 31467.5660641239. The cubic root of 990207714 is about 996.7251920060.

The spelling of 990207714 in words is "nine hundred ninety million, two hundred seven thousand, seven hundred fourteen".

Divisors: 1 2 3 6 1811 3622 5433 10866 91129 182258 273387 546774 165034619 330069238 495103857 990207714