Base | Representation |
---|---|
bin | 1011001000110100… |
… | …1100000000111000 |
3 | 21201100211122122221 |
4 | 2302031030000320 |
5 | 22110342122103 |
6 | 1212401453424 |
7 | 134042615350 |
oct | 26215140070 |
9 | 7640748587 |
10 | 2989801528 |
11 | 12a473515a |
12 | 6b5341274 |
13 | 38855353c |
14 | 20510db60 |
15 | 12772c1bd |
hex | b234c038 |
2989801528 has 16 divisors (see below), whose sum is σ = 6406717680. Its totient is φ = 1281343488.
The previous prime is 2989801519. The next prime is 2989801547. The reversal of 2989801528 is 8251089892.
It is a super-2 number, since 2×29898015282 = 17877826353662269568, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26694601 + ... + 26694712.
It is an arithmetic number, because the mean of its divisors is an integer number (400419855).
Almost surely, 22989801528 is an apocalyptic number.
2989801528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2989801528 is an abundant number, since it is smaller than the sum of its proper divisors (3416916152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989801528 is a wasteful number, since it uses less digits than its factorization.
2989801528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53389326 (or 53389322 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 52.
The square root of 2989801528 is about 54679.0776074359. The cubic root of 2989801528 is about 1440.6134102163.
The spelling of 2989801528 in words is "two billion, nine hundred eighty-nine million, eight hundred one thousand, five hundred twenty-eight".
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