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998082943 = 111324128961
BaseRepresentation
bin111011011111011…
…000100101111111
32120120001212101221
4323133120211333
54021002123233
6243012214211
733506364544
oct7337304577
92516055357
10998082943
11472434540
1223a30a367
1312ba18730
14967acbcb
155c95342d
hex3b7d897f

998082943 has 16 divisors (see below), whose sum is σ = 1177479072. Its totient is φ = 834048000.

The previous prime is 998082931. The next prime is 998082947. The reversal of 998082943 is 349280899.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-998082943 is a prime.

It is a super-2 number, since 2×9980829432 = 1992339122215082498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998082947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19983 + ... + 48943.

It is an arithmetic number, because the mean of its divisors is an integer number (73592442).

Almost surely, 2998082943 is an apocalyptic number.

998082943 is a deficient number, since it is larger than the sum of its proper divisors (179396129).

998082943 is a wasteful number, since it uses less digits than its factorization.

998082943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29226.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 998082943 is about 31592.4507279825. The cubic root of 998082943 is about 999.3605722193.

The spelling of 998082943 in words is "nine hundred ninety-eight million, eighty-two thousand, nine hundred forty-three".

Divisors: 1 11 13 143 241 2651 3133 28961 34463 318571 376493 4141423 6979601 76775611 90734813 998082943