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998242008 = 233131383829
BaseRepresentation
bin111011011111111…
…111011011011000
32120120100221121020
4323133333123120
54021022221013
6243015442440
733510626361
oct7337773330
92516327536
10998242008
11472532aa5
1223a386420
1312ba72c5a
1496810b68
155c985623
hex3b7ff6d8

998242008 has 64 divisors (see below), whose sum is σ = 2524262400. Its totient is φ = 328947840.

The previous prime is 998242001. The next prime is 998242019. The reversal of 998242008 is 800242899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998242001) 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, 1203738 + ... + 1204566.

It is an arithmetic number, because the mean of its divisors is an integer number (39441600).

Almost surely, 2998242008 is an apocalyptic number.

It is an amenable number.

998242008 is an abundant number, since it is smaller than the sum of its proper divisors (1526020392).

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

998242008 is a wasteful number, since it uses less digits than its factorization.

998242008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 998242008 is about 31594.9680803763. The cubic root of 998242008 is about 999.4136589380.

The spelling of 998242008 in words is "nine hundred ninety-eight million, two hundred forty-two thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 131 262 383 393 524 766 786 829 1048 1149 1532 1572 1658 2298 2487 3064 3144 3316 4596 4974 6632 9192 9948 19896 50173 100346 108599 150519 200692 217198 301038 317507 325797 401384 434396 602076 635014 651594 868792 952521 1204152 1270028 1303188 1905042 2540056 2606376 3810084 7620168 41593417 83186834 124780251 166373668 249560502 332747336 499121004 998242008