Base | Representation |
---|---|
bin | 1010110100100110… |
… | …1010000001001100 |
3 | 21111110020202210210 |
4 | 2231021222001030 |
5 | 21422134133042 |
6 | 1200132002420 |
7 | 131663001636 |
oct | 25511520114 |
9 | 7443222723 |
10 | 2904989772 |
11 | 12608778a3 |
12 | 690a60410 |
13 | 373ac9c79 |
14 | 1d7b53a56 |
15 | 120077a9c |
hex | ad26a04c |
2904989772 has 18 divisors (see below), whose sum is σ = 6778745148. Its totient is φ = 968267688.
The previous prime is 2904989761. The next prime is 2904989803. The reversal of 2904989772 is 2779894092.
It is a super-2 number, since 2×29049897722 = 16877931150849223968, which contains 22 as substring.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178929 + ... + 194487.
Almost surely, 22904989772 is an apocalyptic number.
It is an amenable number.
2904989772 is an abundant number, since it is smaller than the sum of its proper divisors (3873755376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2904989772 is an frugal number, since it uses more digits than its factorization.
2904989772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31125 (or 15564 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 57.
The square root of 2904989772 is about 53897.9570299283. The cubic root of 2904989772 is about 1426.8605670258.
The spelling of 2904989772 in words is "two billion, nine hundred four million, nine hundred eighty-nine thousand, seven hundred seventy-two".
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