Base | Representation |
---|---|
bin | 111011100000110… |
… | …101100110010110 |
3 | 2120120210012222020 |
4 | 323200311212112 |
5 | 4021101321034 |
6 | 243024314010 |
7 | 33512542311 |
oct | 7340654626 |
9 | 2516705866 |
10 | 998463894 |
11 | 47267477a |
12 | 23a472906 |
13 | 12bb1cc4c |
14 | 9686b978 |
15 | 5c9cb249 |
hex | 3b835996 |
998463894 has 16 divisors (see below), whose sum is σ = 1997293680. Its totient is φ = 332760320.
The previous prime is 998463887. The next prime is 998463899. The reversal of 998463894 is 498364899.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (998463899) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31042 + ... + 54410.
It is an arithmetic number, because the mean of its divisors is an integer number (124830855).
Almost surely, 2998463894 is an apocalyptic number.
998463894 is an abundant number, since it is smaller than the sum of its proper divisors (998829786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
998463894 is a wasteful number, since it uses less digits than its factorization.
998463894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30495.
The product of its digits is 13436928, while the sum is 60.
The square root of 998463894 is about 31598.4792988523. The cubic root of 998463894 is about 999.4877022625.
It can be divided in two parts, 99846 and 3894, that added together give a triangular number (103740 = T455).
The spelling of 998463894 in words is "nine hundred ninety-eight million, four hundred sixty-three thousand, eight hundred ninety-four".
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