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990244276 = 227255713831
BaseRepresentation
bin111011000001011…
…110110110110100
32120000022121202221
4323001132312310
54012000304101
6242132212124
733352636360
oct7301366664
92500277687
10990244276
11468a701aa
1223776a044
1312a202878
149572c2a0
155be05aa1
hex3b05edb4

990244276 has 24 divisors (see below), whose sum is σ = 1981406336. Its totient is φ = 424193760.

The previous prime is 990244267. The next prime is 990244279. The reversal of 990244276 is 672442099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990244279) 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 7 ways as a sum of consecutive naturals, for example, 64681 + ... + 78511.

Almost surely, 2990244276 is an apocalyptic number.

It is an amenable number.

990244276 is an abundant number, since it is smaller than the sum of its proper divisors (991162060).

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

990244276 is a wasteful number, since it uses less digits than its factorization.

990244276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399 (or 16397 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 990244276 is about 31468.1470061394. The cubic root of 990244276 is about 996.7374594045.

The spelling of 990244276 in words is "nine hundred ninety million, two hundred forty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 28 2557 5114 10228 13831 17899 27662 35798 55324 71596 96817 193634 387268 35365867 70731734 141463468 247561069 495122138 990244276