Base | Representation |
---|---|
bin | 111100001001000… |
… | …001011101000000 |
3 | 2121022121102100000 |
4 | 330021001131000 |
5 | 4031300420313 |
6 | 244042200000 |
7 | 34001225511 |
oct | 7411013500 |
9 | 2538542300 |
10 | 1008998208 |
11 | 47860a319 |
12 | 241ab3000 |
13 | 13106aa7a |
14 | 98010a08 |
15 | 5d8ac673 |
hex | 3c241740 |
1008998208 has 84 divisors (see below), whose sum is σ = 2999272640. Its totient is φ = 336327552.
The previous prime is 1008998203. The next prime is 1008998213. The reversal of 1008998208 is 8028998001.
It is an interprime number because it is at equal distance from previous prime (1008998203) and next prime (1008998213).
It is a super-2 number, since 2×10089982082 = 2036154767494422528, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1008998203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16888 + ... + 47991.
Almost surely, 21008998208 is an apocalyptic number.
1008998208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1008998208 is an abundant number, since it is smaller than the sum of its proper divisors (1990274432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1008998208 is an frugal number, since it uses more digits than its factorization.
1008998208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64906 (or 64884 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 45.
The square root of 1008998208 is about 31764.7321411656. The cubic root of 1008998208 is about 1002.9904509554.
The spelling of 1008998208 in words is "one billion, eight million, nine hundred ninety-eight thousand, two hundred eight".
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