Base | Representation |
---|---|
bin | 111011000001111… |
… | …101100010000111 |
3 | 2120000120000010200 |
4 | 323001331202013 |
5 | 4012013314202 |
6 | 242135021543 |
7 | 33354001611 |
oct | 7301754207 |
9 | 2500500120 |
10 | 990369927 |
11 | 469046648 |
12 | 23780a8b3 |
13 | 12a247b11 |
14 | 95761db1 |
15 | 5be2ce1c |
hex | 3b07d887 |
990369927 has 36 divisors (see below), whose sum is σ = 1558649664. Its totient is φ = 605257920.
The previous prime is 990369911. The next prime is 990369931. The reversal of 990369927 is 729963099.
It is not a de Polignac number, because 990369927 - 24 = 990369911 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (990369977) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95803 + ... + 105635.
It is an arithmetic number, because the mean of its divisors is an integer number (43295824).
Almost surely, 2990369927 is an apocalyptic number.
990369927 is a deficient number, since it is larger than the sum of its proper divisors (568279737).
990369927 is a wasteful number, since it uses less digits than its factorization.
990369927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9908 (or 9886 counting only the distinct ones).
The product of its (nonzero) digits is 1653372, while the sum is 54.
The square root of 990369927 is about 31470.1434219801. The cubic root of 990369927 is about 996.7796159258.
The spelling of 990369927 in words is "nine hundred ninety million, three hundred sixty-nine thousand, nine hundred twenty-seven".
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